OP 1x / TIMER 1x Serial communication error Result 1 of 9 with this code and meaning. Expand for model and series details.
OP 1x / TIMER 2x Wired remote controller communication error or server room control communication error
OP 1x / TIMER 5x Check run unfinished
OP 1x / TIMER 6x Peripheral unit transmission PCB connection error Result 1 of 2 with this code and meaning. Expand for model and series details.
OP 1x / TIMER 8x External communication error Result 1 of 6 with this code and meaning. Expand for model and series details.
OP 2x / TIMER 1x Unit number or refrigerant circuit address setting error [Simultaneous Multi]
OP 2x / TIMER 2x Indoor unit capacity error Result 1 of 2 with this code and meaning. Expand for model and series details.
OP 2x / TIMER 3x Combination error Result 1 of 2 with this code and meaning. Expand for model and series details.
OP 2x / TIMER 4x Connection unit number error for indoor secondary unit, indoor unit, or branch box
OP 2x / TIMER 6x Address setting error in wired remote controller system
OP 2x / TIMER 7x Primary unit, secondary unit setup error [Simultaneous Multi]
OP 3x / TIMER 2x Indoor unit PCB model information error Result 1 of 2 with this code and meaning. Expand for model and series details.
OP 3x / TIMER 5x Manual auto switch error Result 1 of 2 with this code and meaning. Expand for model and series details.
OP 4x / TIMER 1x Room temperature sensor error Result 1 of 2 with this code and meaning. Expand for model and series details.
OP 4x / TIMER 2x Indoor unit heat exchanger middle temperature sensor error Result 1 of 2 with this code and meaning. Expand for model and series details.
OP 5x / TIMER 1x Indoor unit fan motor 1 error (main fan)
OP 5x / TIMER 3x Drain pump error Result 1 of 2 with this code and meaning. Expand for model and series details.
OP 5x / TIMER 4x Electric air cleaner reverse VDD error Result 1 of 2 with this code and meaning. Expand for model and series details.
OP 5x / TIMER 5x Filter set error Result 1 of 2 with this code and meaning. Expand for model and series details.
OP 5x / TIMER 7x Damper error Result 1 of 2 with this code and meaning. Expand for model and series details.
OP 5x / TIMER 8x Intake grille error Result 1 of 2 with this code and meaning. Expand for model and series details.
OP 5x / TIMER 9x Indoor unit fan motor 2 error (left side fan) Result 1 of 2 with this code and meaning. Expand for model and series details.
OP 5x / TIMER 10x Indoor unit fan motor 3 error (right side fan) Result 1 of 2 with this code and meaning. Expand for model and series details.
OP 5x / TIMER 15x Indoor unit error Result 1 of 2 with this code and meaning. Expand for model and series details.
OP 6x / TIMER 2x Outdoor unit main PCB model information error or communication error Result 1 of 2 with this code and meaning. Expand for model and series details.
OP 6x / TIMER 3x Inverter error Result 1 of 2 with this code and meaning. Expand for model and series details.
OP 6x / TIMER 4x Active filter error, PFC circuit error Result 1 of 2 with this code and meaning. Expand for model and series details.
OP 6x / TIMER 5x Trip terminal L error
OP 6x / TIMER 8x Outdoor unit rush current limiting resistor temperature rise error Result 1 of 2 with this code and meaning. Expand for model and series details.
OP 6x / TIMER 10x Display PCB microcomputers communication error Result 1 of 2 with this code and meaning. Expand for model and series details.
OP 7x / TIMER 1x Discharge temperature sensor error Result 1 of 2 with this code and meaning. Expand for model and series details.
OP 7x / TIMER 2x Compressor temperature sensor error Result 1 of 2 with this code and meaning. Expand for model and series details.
OP 7x / TIMER 3x Outdoor unit heat exchanger liquid temperature sensor error Result 1 of 2 with this code and meaning. Expand for model and series details.
OP 7x / TIMER 4x Outdoor temperature sensor error Result 1 of 2 with this code and meaning. Expand for model and series details.
OP 7x / TIMER 5x Suction gas temperature sensor error Result 1 of 2 with this code and meaning. Expand for model and series details.
OP 7x / TIMER 6x 2-way valve temperature sensor error or 3-way valve temperature sensor error Result 1 of 2 with this code and meaning. Expand for model and series details.
OP 7x / TIMER 7x Heat sink temperature sensor error Result 1 of 2 with this code and meaning. Expand for model and series details.
OP 8x / TIMER 2x Sub-cool heat exchanger gas inlet temperature sensor error or gas outlet temperature sensor error Result 1 of 2 with this code and meaning. Expand for model and series details.
OP 8x / TIMER 3x Liquid pipe temperature sensor error Result 1 of 2 with this code and meaning. Expand for model and series details.
OP 8x / TIMER 4x Current sensor error Result 1 of 2 with this code and meaning. Expand for model and series details.
OP 8x / TIMER 6x Discharge pressure sensor error, suction pressure sensor error, or high pressure switch error Result 1 of 2 with this code and meaning. Expand for model and series details.
OP 9x / TIMER 4x Trip detection Result 1 of 2 with this code and meaning. Expand for model and series details.
OP 9x / TIMER 5x Compressor rotor position detection error
OP 9x / TIMER 7x Outdoor unit fan motor error Result 1 of 7 with this code and meaning. Expand for model and series details.
OP 9x / TIMER 9x 4-way valve error Result 1 of 2 with this code and meaning. Expand for model and series details.
OP 10x / TIMER 1x Discharge temperature error Result 1 of 2 with this code and meaning. Expand for model and series details.
OP 10x / TIMER 3x Compressor temperature error Result 1 of 2 with this code and meaning. Expand for model and series details.
OP 10x / TIMER 4x High pressure error Result 1 of 2 with this code and meaning. Expand for model and series details.
OP 10x / TIMER 5x Low pressure error Result 1 of 2 with this code and meaning. Expand for model and series details.
OP 13x / TIMER 2x Branch boxes error [Flexible Multi]
OP 1x / TIMER 1x Serial communication error Result 2 of 9 with this code and meaning. Expand for model and series details.
OP 1x / TIMER 2x Wired remote controller communication error
OP 1x / TIMER 5x Check run unfinished or automatic airflow adjustment error
OP 1x / TIMER 6x Peripheral unit transmission PCB connection error Result 2 of 2 with this code and meaning. Expand for model and series details.
OP 1x / TIMER 8x External communication error Result 2 of 6 with this code and meaning. Expand for model and series details.
OP 2x / TIMER 1x Unit number or refrigerant circuit address setting error [simultaneous multi-split type]
OP 2x / TIMER 2x Indoor unit capacity error Result 2 of 2 with this code and meaning. Expand for model and series details.
OP 2x / TIMER 3x Combination error Result 2 of 2 with this code and meaning. Expand for model and series details.
OP 2x / TIMER 4x Connection unit number error for indoor secondary unit, indoor unit, or branch unit
OP 2x / TIMER 6x Indoor unit address setting error
OP 2x / TIMER 7x Primary unit, secondary unit setup error [simultaneous multi-split type]
OP 2x / TIMER 9x Connection unit number error in wired remote controller system
OP 3x / TIMER 1x Power supply interruption error
OP 3x / TIMER 2x Indoor unit PCB model information error Result 2 of 2 with this code and meaning. Expand for model and series details.
OP 3x / TIMER 3x Indoor unit motor electricity consumption detection error
OP 3x / TIMER 5x Manual auto switch error Result 2 of 2 with this code and meaning. Expand for model and series details.
OP 3x / TIMER 9x Indoor unit power supply error for fan motor
OP 3x / TIMER 10x Indoor unit communication circuit error for wired remote controller
OP 4x / TIMER 1x Room temperature sensor error Result 2 of 2 with this code and meaning. Expand for model and series details.
OP 4x / TIMER 2x Indoor unit heat exchanger middle temperature sensor error Result 2 of 2 with this code and meaning. Expand for model and series details.
OP 4x / TIMER 4x Occupancy sensor error
OP 5x / TIMER 1x Indoor unit fan motor error Result 1 of 9 with this code and meaning. Expand for model and series details.
OP 5x / TIMER 3x Drain pump error Result 2 of 2 with this code and meaning. Expand for model and series details.
OP 5x / TIMER 4x Electric air cleaner reverse VDD error Result 2 of 2 with this code and meaning. Expand for model and series details.
OP 5x / TIMER 5x Filter set error Result 2 of 2 with this code and meaning. Expand for model and series details.
OP 5x / TIMER 7x Damper error Result 2 of 2 with this code and meaning. Expand for model and series details.
OP 5x / TIMER 8x Intake grille error Result 2 of 2 with this code and meaning. Expand for model and series details.
OP 5x / TIMER 9x Indoor unit fan motor 2 error (left side fan) Result 2 of 2 with this code and meaning. Expand for model and series details.
OP 5x / TIMER 10x Indoor unit fan motor 3 error (right side fan) Result 2 of 2 with this code and meaning. Expand for model and series details.
OP 5x / TIMER 15x Indoor unit error Result 2 of 2 with this code and meaning. Expand for model and series details.
OP 6x / TIMER 1x Outdoor unit reverse or missing phase and wiring error
OP 6x / TIMER 2x Outdoor unit main PCB model information error or communication error Result 2 of 2 with this code and meaning. Expand for model and series details.
OP 6x / TIMER 3x Inverter error Result 2 of 2 with this code and meaning. Expand for model and series details.
OP 6x / TIMER 4x Active filter error, PFC circuit error Result 2 of 2 with this code and meaning. Expand for model and series details.
OP 6x / TIMER 5x Trip terminal L error or IPM temperature error
OP 6x / TIMER 8x Outdoor unit rush current limiting resistor temperature rise error Result 2 of 2 with this code and meaning. Expand for model and series details.
OP 6x / TIMER 10x Display PCB microcomputers communication error Result 2 of 2 with this code and meaning. Expand for model and series details.
OP 7x / TIMER 1x Discharge temperature sensor error Result 2 of 2 with this code and meaning. Expand for model and series details.
OP 7x / TIMER 2x Compressor temperature sensor error Result 2 of 2 with this code and meaning. Expand for model and series details.
OP 7x / TIMER 3x Outdoor unit heat exchanger liquid temperature sensor error Result 2 of 2 with this code and meaning. Expand for model and series details.
OP 7x / TIMER 4x Outdoor temperature sensor error Result 2 of 2 with this code and meaning. Expand for model and series details.
OP 7x / TIMER 5x Suction gas temperature sensor error Result 2 of 2 with this code and meaning. Expand for model and series details.
OP 7x / TIMER 6x 2-way valve temperature sensor error or 3-way valve temperature sensor error Result 2 of 2 with this code and meaning. Expand for model and series details.
OP 7x / TIMER 7x Heat sink temperature sensor error Result 2 of 2 with this code and meaning. Expand for model and series details.
OP 8x / TIMER 2x Sub-cool heat exchanger gas inlet temperature sensor error or gas outlet temperature sensor error Result 2 of 2 with this code and meaning. Expand for model and series details.
OP 8x / TIMER 3x Liquid pipe temperature sensor error Result 2 of 2 with this code and meaning. Expand for model and series details.
OP 8x / TIMER 4x Current sensor error Result 2 of 2 with this code and meaning. Expand for model and series details.
OP 8x / TIMER 6x Discharge pressure sensor error, suction pressure sensor error, or high pressure switch error Result 2 of 2 with this code and meaning. Expand for model and series details.
OP 9x / TIMER 4x Trip detection Result 2 of 2 with this code and meaning. Expand for model and series details.
OP 9x / TIMER 5x Compressor rotor position detection error (permanent stop)
OP 9x / TIMER 7x Outdoor unit fan motor 1 error
OP 9x / TIMER 8x Outdoor unit fan motor 2 error
OP 9x / TIMER 9x 4-way valve error Result 2 of 2 with this code and meaning. Expand for model and series details.
OP 9x / TIMER 10x Coil or expansion valve error
OP 10x / TIMER 1x Discharge temperature error Result 2 of 2 with this code and meaning. Expand for model and series details.
OP 10x / TIMER 3x Compressor temperature error Result 2 of 2 with this code and meaning. Expand for model and series details.
OP 10x / TIMER 4x High pressure error Result 2 of 2 with this code and meaning. Expand for model and series details.
OP 10x / TIMER 5x Low pressure error Result 2 of 2 with this code and meaning. Expand for model and series details.
OP 10x / TIMER 11x Heat sink temperature error
OP 13x / TIMER 2x Branch boxes error [flexible multi-split type]
OP off / TIMER 2x Reverse communication failure at startup
OP off / TIMER 3x Reverse communication failure in use
OP off / TIMER 4x Forward communication failure at startup
OP off / TIMER 5x Forward communication failure in use
OP off / TIMER 8x Wired remote control failure
OP 2x / TIMER 2x Indoor air sensor failure
OP 2x / TIMER 3x Indoor pipe sensor failure
OP 2x / TIMER 4x Indoor heat exchanger sensor error
OP 2x / TIMER 6x Float switch operated
OP 3x / TIMER 2x Outdoor discharge sensor failure
OP 3x / TIMER 3x Outdoor pipe sensor failure
OP 3x / TIMER 4x Outdoor air sensor failure
OP 3x / TIMER 7x Heat sink sensor error
OP 3x / TIMER 8x Compressor temperature sensor failure
OP 4x / TIMER 2x Forced auto switch welded
OP 4x / TIMER 3x Main relay welded
OP 4x / TIMER 4x Power failure
OP 4x / TIMER 7x VDD permanent stop protection
OP 4x / TIMER 8x Reverse VDD permanent stop
OP 5x / TIMER 2x IPM protection
OP 5x / TIMER 3x CT abnormal
OP 5x / TIMER 5x Compressor failure
OP 5x / TIMER 6x Outdoor fan failure
OP 6x / TIMER 2x Indoor fan motor locked
OP 6x / TIMER 3x Indoor fan motor rotation error
OP 7x / TIMER 2x High discharge temperature
OP 7x / TIMER 3x High pressure
OP 7x / TIMER 4x 4-way valve abnormal
OP 7x / TIMER 5x Pressure switch failure
OP 7x / TIMER 6x Compressor temperature error
OP 8x / TIMER 2x Active filter module failure, first time
OP 8x / TIMER 3x Active filter module failure, second time
OP 8x / TIMER 4x PFC circuit error
OP 2x / TIMER blinks -> TEST OP blinks / TIMER 2x Indoor air sensor failure
OP 2x / TIMER blinks -> TEST OP blinks / TIMER 3x Indoor pipe sensor failure
OP 4x / TIMER blinks -> TEST OP blinks / TIMER 2x Manual auto button error
OP 4x / TIMER blinks -> TEST OP blinks / TIMER 4x Power source failure
OP 5x / TIMER blinks -> TEST OP blinks / TIMER 2x Reverse communication failure
OP 5x / TIMER blinks -> TEST OP blinks / TIMER 3x Forward communication failure
OP 6x / TIMER blinks -> TEST OP blinks / TIMER 2x Indoor fan motor locked
OP 6x / TIMER blinks -> TEST OP blinks / TIMER 3x Indoor fan motor RPM incorrect
OP blinks / TIMER 2x -> TEST OP 2x / TIMER blinks Outdoor discharge sensor failure
OP blinks / TIMER 2x -> TEST OP 4x / TIMER blinks Outdoor pipe sensor failure
OP blinks / TIMER 2x -> TEST OP 6x / TIMER blinks Outdoor air sensor failure
OP blinks / TIMER 2x -> TEST OP 8x / TIMER blinks Compressor temperature sensor failure
OP blinks / TIMER 2x -> TEST OP 9x / TIMER blinks 2-way valve sensor failure
OP blinks / TIMER 2x -> TEST OP 10x / TIMER blinks 3-way valve sensor failure
OP blinks / TIMER 3x -> TEST OP 2x / TIMER blinks Pressure switch
OP blinks / TIMER 4x -> TEST OP 2x / TIMER blinks Incorrect indoor unit index
OP blinks / TIMER 5x -> TEST OP 2x / TIMER blinks IPM failure
OP blinks / TIMER 5x -> TEST OP 5x / TIMER blinks Compressor failure
OP 2x / TIMER fast continuous blink Indoor unit sensor error Result 1 of 2 with this code and meaning. Expand for model and series details.
OP 4x / TIMER fast continuous blink Indoor unit PCB error
OP 6x / TIMER fast continuous blink Indoor unit fan motor error Result 1 of 2 with this code and meaning. Expand for model and series details.
OP 2x / TIMER fast continuous blink Indoor unit sensor error Result 2 of 2 with this code and meaning. Expand for model and series details.
OP 3x / TIMER fast continuous blink Indoor unit sensor error
OP 6x / TIMER fast continuous blink Indoor unit fan motor error Result 2 of 2 with this code and meaning. Expand for model and series details.
OP 3x / TIMER 1x Power supply error Result 1 of 7 with this code and meaning. Expand for model and series details.
OP 3x / TIMER 2x Indoor unit PCB error Result 1 of 8 with this code and meaning. Expand for model and series details.
OP 3x / TIMER 5x Indoor unit PCB error Result 1 of 8 with this code and meaning. Expand for model and series details.
OP 4x / TIMER 1x Indoor unit sensor error Result 1 of 8 with this code and meaning. Expand for model and series details.
OP 4x / TIMER 2x Indoor unit sensor error Result 1 of 8 with this code and meaning. Expand for model and series details.
OP 5x / TIMER 1x Indoor unit fan motor error Result 2 of 9 with this code and meaning. Expand for model and series details.
OP off / TIMER 8x Indoor unit communication circuit error Result 1 of 3 with this code and meaning. Expand for model and series details.
OP 2x / TIMER 2x Indoor unit sensor error Result 1 of 4 with this code and meaning. Expand for model and series details.
OP 2x / TIMER 3x Indoor unit sensor error Result 1 of 4 with this code and meaning. Expand for model and series details.
OP 4x / TIMER 2x Indoor unit PCB error Result 1 of 4 with this code and meaning. Expand for model and series details.
OP 6x / TIMER 2x Indoor unit fan motor error Result 1 of 4 with this code and meaning. Expand for model and series details.
OP 6x / TIMER 3x Indoor unit fan motor error Result 1 of 4 with this code and meaning. Expand for model and series details.
OP 1x / TIMER 1x Serial communication error Result 3 of 9 with this code and meaning. Expand for model and series details.
OP 1x / TIMER 2x Indoor unit communication circuit error Result 1 of 7 with this code and meaning. Expand for model and series details.
OP 3x / TIMER 2x Indoor unit PCB error Result 2 of 8 with this code and meaning. Expand for model and series details.
OP 3x / TIMER 5x Indoor unit PCB error Result 2 of 8 with this code and meaning. Expand for model and series details.
OP 4x / TIMER 1x Indoor unit sensor error Result 2 of 8 with this code and meaning. Expand for model and series details.
OP 4x / TIMER 2x Indoor unit sensor error Result 2 of 8 with this code and meaning. Expand for model and series details.
OP 5x / TIMER 1x Indoor unit fan motor error Result 3 of 9 with this code and meaning. Expand for model and series details.
OP 6x / TIMER 2x Outdoor unit electronic component error Result 1 of 7 with this code and meaning. Expand for model and series details.
OP 7x / TIMER 1x Outdoor unit sensor error Result 1 of 7 with this code and meaning. Expand for model and series details.
OP 7x / TIMER 3x Outdoor unit sensor error Result 1 of 7 with this code and meaning. Expand for model and series details.
OP 7x / TIMER 4x Outdoor unit sensor error Result 1 of 7 with this code and meaning. Expand for model and series details.
OP 9x / TIMER 7x Outdoor unit fan motor error Result 2 of 7 with this code and meaning. Expand for model and series details.
OP 9x / TIMER 8x Outdoor unit fan motor error
OP 10x / TIMER 1x Refrigerant gas or heat exchanger error Result 1 of 6 with this code and meaning. Expand for model and series details.
OP 10x / TIMER 4x Refrigerant gas or heat exchanger error
OP off / TIMER 2x Serial communication error Result 1 of 3 with this code and meaning. Expand for model and series details.
OP off / TIMER 3x Serial communication error Result 1 of 3 with this code and meaning. Expand for model and series details.
OP off / TIMER 4x Serial communication error Result 1 of 3 with this code and meaning. Expand for model and series details.
OP off / TIMER 5x Serial communication error Result 1 of 3 with this code and meaning. Expand for model and series details.
OP off / TIMER 8x Indoor unit communication circuit error Result 2 of 3 with this code and meaning. Expand for model and series details.
OP 2x / TIMER 2x Indoor unit sensor error Result 2 of 4 with this code and meaning. Expand for model and series details.
OP 2x / TIMER 3x Indoor unit sensor error Result 2 of 4 with this code and meaning. Expand for model and series details.
OP 3x / TIMER 2x Outdoor unit sensor error Result 1 of 3 with this code and meaning. Expand for model and series details.
OP 3x / TIMER 3x Outdoor unit sensor error Result 1 of 3 with this code and meaning. Expand for model and series details.
OP 3x / TIMER 4x Outdoor unit sensor error Result 1 of 3 with this code and meaning. Expand for model and series details.
OP 4x / TIMER 2x Indoor unit PCB error Result 2 of 4 with this code and meaning. Expand for model and series details.
OP 4x / TIMER 3x Indoor unit PCB error Result 1 of 3 with this code and meaning. Expand for model and series details.
OP 4x / TIMER 4x Power supply error Result 1 of 3 with this code and meaning. Expand for model and series details.
OP 5x / TIMER 2x Outdoor unit electronic component error Result 1 of 3 with this code and meaning. Expand for model and series details.
OP 5x / TIMER 3x Outdoor unit electronic component error Result 1 of 3 with this code and meaning. Expand for model and series details.
OP 5x / TIMER 5x Compressor error Result 1 of 3 with this code and meaning. Expand for model and series details.
OP 5x / TIMER 6x Outdoor unit fan motor error Result 1 of 3 with this code and meaning. Expand for model and series details.
OP 6x / TIMER 2x Indoor unit fan motor error Result 2 of 4 with this code and meaning. Expand for model and series details.
OP 6x / TIMER 3x Indoor unit fan motor error Result 2 of 4 with this code and meaning. Expand for model and series details.
OP 7x / TIMER 2x Refrigerant gas or heat exchanger error Result 1 of 3 with this code and meaning. Expand for model and series details.
OP 7x / TIMER 3x Refrigerant gas or heat exchanger error Result 1 of 3 with this code and meaning. Expand for model and series details.
OP 7x / TIMER 4x Refrigerant gas or heat exchanger error Result 1 of 2 with this code and meaning. Expand for model and series details.
OP 8x / TIMER 2x Outdoor unit electronic component error Result 1 of 2 with this code and meaning. Expand for model and series details.
OP 8x / TIMER 3x Outdoor unit electronic component error Result 1 of 2 with this code and meaning. Expand for model and series details.
OP 8x / TIMER 4x Outdoor unit electronic component error Result 1 of 9 with this code and meaning. Expand for model and series details.
OP off / TIMER 2x Serial communication error Result 2 of 3 with this code and meaning. Expand for model and series details.
OP off / TIMER 3x Serial communication error Result 2 of 3 with this code and meaning. Expand for model and series details.
OP off / TIMER 4x Serial communication error Result 2 of 3 with this code and meaning. Expand for model and series details.
OP off / TIMER 5x Serial communication error Result 2 of 3 with this code and meaning. Expand for model and series details.
OP 2x / TIMER 2x Indoor unit sensor error Result 3 of 4 with this code and meaning. Expand for model and series details.
OP 2x / TIMER 3x Indoor unit sensor error Result 3 of 4 with this code and meaning. Expand for model and series details.
OP 3x / TIMER 2x Outdoor unit sensor error Result 2 of 3 with this code and meaning. Expand for model and series details.
OP 3x / TIMER 3x Outdoor unit sensor error Result 2 of 3 with this code and meaning. Expand for model and series details.
OP 3x / TIMER 4x Outdoor unit sensor error Result 2 of 3 with this code and meaning. Expand for model and series details.
OP 4x / TIMER 2x Indoor unit PCB error Result 3 of 4 with this code and meaning. Expand for model and series details.
OP 4x / TIMER 3x Indoor unit PCB error Result 2 of 3 with this code and meaning. Expand for model and series details.
OP 4x / TIMER 4x Power supply error Result 2 of 3 with this code and meaning. Expand for model and series details.
OP 5x / TIMER 2x Outdoor unit electronic component error Result 2 of 3 with this code and meaning. Expand for model and series details.
OP 5x / TIMER 3x Outdoor unit electronic component error Result 2 of 3 with this code and meaning. Expand for model and series details.
OP 5x / TIMER 5x Compressor error Result 2 of 3 with this code and meaning. Expand for model and series details.
OP 5x / TIMER 6x Outdoor unit fan motor error Result 2 of 3 with this code and meaning. Expand for model and series details.
OP 6x / TIMER 2x Indoor unit fan motor error Result 3 of 4 with this code and meaning. Expand for model and series details.
OP 6x / TIMER 3x Indoor unit fan motor error Result 3 of 4 with this code and meaning. Expand for model and series details.
OP 7x / TIMER 2x Refrigerant gas or heat exchanger error Result 2 of 3 with this code and meaning. Expand for model and series details.
OP 7x / TIMER 3x Refrigerant gas or heat exchanger error Result 2 of 3 with this code and meaning. Expand for model and series details.
OP 8x / TIMER 4x Outdoor unit electronic component error Result 2 of 9 with this code and meaning. Expand for model and series details.
OP off / TIMER 2x Serial communication error Result 3 of 3 with this code and meaning. Expand for model and series details.
OP off / TIMER 3x Serial communication error Result 3 of 3 with this code and meaning. Expand for model and series details.
OP off / TIMER 4x Serial communication error Result 3 of 3 with this code and meaning. Expand for model and series details.
OP off / TIMER 5x Serial communication error Result 3 of 3 with this code and meaning. Expand for model and series details.
OP off / TIMER 8x Indoor unit communication circuit error Result 3 of 3 with this code and meaning. Expand for model and series details.
OP 2x / TIMER 2x Indoor unit sensor error Result 4 of 4 with this code and meaning. Expand for model and series details.
OP 2x / TIMER 3x Indoor unit sensor error Result 4 of 4 with this code and meaning. Expand for model and series details.
OP 3x / TIMER 2x Outdoor unit sensor error Result 3 of 3 with this code and meaning. Expand for model and series details.
OP 3x / TIMER 3x Outdoor unit sensor error Result 3 of 3 with this code and meaning. Expand for model and series details.
OP 3x / TIMER 4x Outdoor unit sensor error Result 3 of 3 with this code and meaning. Expand for model and series details.
OP 3x / TIMER 8x Outdoor unit sensor error
OP 4x / TIMER 2x Indoor unit PCB error Result 4 of 4 with this code and meaning. Expand for model and series details.
OP 4x / TIMER 3x Indoor unit PCB error Result 3 of 3 with this code and meaning. Expand for model and series details.
OP 4x / TIMER 4x Power supply error Result 3 of 3 with this code and meaning. Expand for model and series details.
OP 5x / TIMER 2x Outdoor unit electronic component error Result 3 of 3 with this code and meaning. Expand for model and series details.
OP 5x / TIMER 3x Outdoor unit electronic component error Result 3 of 3 with this code and meaning. Expand for model and series details.
OP 5x / TIMER 5x Compressor error Result 3 of 3 with this code and meaning. Expand for model and series details.
OP 5x / TIMER 6x Outdoor unit fan motor error Result 3 of 3 with this code and meaning. Expand for model and series details.
OP 6x / TIMER 2x Indoor unit fan motor error Result 4 of 4 with this code and meaning. Expand for model and series details.
OP 6x / TIMER 3x Indoor unit fan motor error Result 4 of 4 with this code and meaning. Expand for model and series details.
OP 7x / TIMER 2x Refrigerant gas or heat exchanger error Result 3 of 3 with this code and meaning. Expand for model and series details.
OP 7x / TIMER 3x Refrigerant gas or heat exchanger error Result 3 of 3 with this code and meaning. Expand for model and series details.
OP 7x / TIMER 4x Refrigerant gas or heat exchanger error Result 2 of 2 with this code and meaning. Expand for model and series details.
OP 7x / TIMER 5x Refrigerant gas or heat exchanger error
OP 7x / TIMER 6x Refrigerant gas or heat exchanger error
OP 8x / TIMER 2x Outdoor unit electronic component error Result 2 of 2 with this code and meaning. Expand for model and series details.
OP 8x / TIMER 3x Outdoor unit electronic component error Result 2 of 2 with this code and meaning. Expand for model and series details.
OP 8x / TIMER 4x Outdoor unit electronic component error Result 3 of 9 with this code and meaning. Expand for model and series details.
OP 1x / TIMER 1x Serial communication error Result 4 of 9 with this code and meaning. Expand for model and series details.
OP 1x / TIMER 2x Indoor unit communication circuit error Result 2 of 7 with this code and meaning. Expand for model and series details.
OP 1x / TIMER 5x Serial communication error Result 1 of 4 with this code and meaning. Expand for model and series details.
OP 1x / TIMER 8x External communication error Result 3 of 6 with this code and meaning. Expand for model and series details.
OP 2x / TIMER 2x Indoor unit PCB error Result 1 of 6 with this code and meaning. Expand for model and series details.
OP 2x / TIMER 3x Indoor unit PCB error Result 1 of 6 with this code and meaning. Expand for model and series details.
OP 2x / TIMER 6x Indoor unit PCB error Result 1 of 4 with this code and meaning. Expand for model and series details.
OP 2x / TIMER 9x Indoor unit PCB error Result 1 of 4 with this code and meaning. Expand for model and series details.
OP 3x / TIMER 1x Power supply error Result 2 of 7 with this code and meaning. Expand for model and series details.
OP 3x / TIMER 2x Indoor unit PCB error Result 3 of 8 with this code and meaning. Expand for model and series details.
OP 3x / TIMER 3x Indoor unit PCB error Result 1 of 4 with this code and meaning. Expand for model and series details.
OP 3x / TIMER 5x Indoor unit PCB error Result 3 of 8 with this code and meaning. Expand for model and series details.
OP 3x / TIMER 9x Indoor unit PCB error Result 1 of 3 with this code and meaning. Expand for model and series details.
OP 3x / TIMER 10x Indoor unit communication circuit error Result 1 of 4 with this code and meaning. Expand for model and series details.
OP 4x / TIMER 1x Indoor unit sensor error Result 3 of 8 with this code and meaning. Expand for model and series details.
OP 4x / TIMER 2x Indoor unit sensor error Result 3 of 8 with this code and meaning. Expand for model and series details.
OP 5x / TIMER 1x Indoor unit fan motor error Result 4 of 9 with this code and meaning. Expand for model and series details.
OP 6x / TIMER 2x Outdoor unit electronic component error Result 2 of 7 with this code and meaning. Expand for model and series details.
OP 6x / TIMER 3x Outdoor unit electronic component error Result 1 of 6 with this code and meaning. Expand for model and series details.
OP 6x / TIMER 4x Outdoor unit electronic component error Result 1 of 6 with this code and meaning. Expand for model and series details.
OP 6x / TIMER 5x Outdoor unit electronic component error Result 1 of 6 with this code and meaning. Expand for model and series details.
OP 7x / TIMER 1x Outdoor unit sensor error Result 2 of 7 with this code and meaning. Expand for model and series details.
OP 7x / TIMER 3x Outdoor unit sensor error Result 2 of 7 with this code and meaning. Expand for model and series details.
OP 7x / TIMER 4x Outdoor unit sensor error Result 2 of 7 with this code and meaning. Expand for model and series details.
OP 8x / TIMER 4x Outdoor unit electronic component error Result 4 of 9 with this code and meaning. Expand for model and series details.
OP 8x / TIMER 6x Refrigerant gas or heat exchanger error Result 1 of 4 with this code and meaning. Expand for model and series details.
OP 9x / TIMER 4x Outdoor unit electronic component error Result 1 of 5 with this code and meaning. Expand for model and series details.
OP 9x / TIMER 5x Compressor error Result 1 of 5 with this code and meaning. Expand for model and series details.
OP 9x / TIMER 7x Outdoor unit fan motor error Result 3 of 7 with this code and meaning. Expand for model and series details.
OP 9x / TIMER 9x Refrigerant gas or heat exchanger error Result 1 of 5 with this code and meaning. Expand for model and series details.
OP 10x / TIMER 1x Refrigerant gas or heat exchanger error Result 2 of 6 with this code and meaning. Expand for model and series details.
OP 1x / TIMER 1x Serial communication error Result 5 of 9 with this code and meaning. Expand for model and series details.
OP 1x / TIMER 2x Indoor unit communication circuit error Result 3 of 7 with this code and meaning. Expand for model and series details.
OP 2x / TIMER 2x Indoor unit PCB error Result 2 of 6 with this code and meaning. Expand for model and series details.
OP 2x / TIMER 3x Indoor unit PCB error Result 2 of 6 with this code and meaning. Expand for model and series details.
OP 3x / TIMER 1x Power supply error Result 3 of 7 with this code and meaning. Expand for model and series details.
OP 3x / TIMER 2x Indoor unit PCB error Result 4 of 8 with this code and meaning. Expand for model and series details.
OP 3x / TIMER 5x Indoor unit PCB error Result 4 of 8 with this code and meaning. Expand for model and series details.
OP 4x / TIMER 1x Indoor unit sensor error Result 4 of 8 with this code and meaning. Expand for model and series details.
OP 4x / TIMER 2x Indoor unit sensor error Result 4 of 8 with this code and meaning. Expand for model and series details.
OP 5x / TIMER 1x Indoor unit fan motor error Result 5 of 9 with this code and meaning. Expand for model and series details.
OP 6x / TIMER 2x Outdoor unit electronic component error Result 3 of 7 with this code and meaning. Expand for model and series details.
OP 6x / TIMER 3x Outdoor unit electronic component error Result 2 of 6 with this code and meaning. Expand for model and series details.
OP 6x / TIMER 4x Outdoor unit electronic component error Result 2 of 6 with this code and meaning. Expand for model and series details.
OP 6x / TIMER 5x Outdoor unit electronic component error Result 2 of 6 with this code and meaning. Expand for model and series details.
OP 7x / TIMER 1x Outdoor unit sensor error Result 3 of 7 with this code and meaning. Expand for model and series details.
OP 7x / TIMER 3x Outdoor unit sensor error Result 3 of 7 with this code and meaning. Expand for model and series details.
OP 7x / TIMER 4x Outdoor unit sensor error Result 3 of 7 with this code and meaning. Expand for model and series details.
OP 8x / TIMER 4x Outdoor unit electronic component error Result 5 of 9 with this code and meaning. Expand for model and series details.
OP 9x / TIMER 4x Outdoor unit electronic component error Result 2 of 5 with this code and meaning. Expand for model and series details.
OP 9x / TIMER 5x Compressor error Result 2 of 5 with this code and meaning. Expand for model and series details.
OP 9x / TIMER 7x Outdoor unit fan motor error Result 4 of 7 with this code and meaning. Expand for model and series details.
OP 9x / TIMER 9x Refrigerant gas or heat exchanger error Result 2 of 5 with this code and meaning. Expand for model and series details.
OP 10x / TIMER 1x Refrigerant gas or heat exchanger error Result 3 of 6 with this code and meaning. Expand for model and series details.
OP 1x / TIMER 1x Serial communication error Result 6 of 9 with this code and meaning. Expand for model and series details.
OP 1x / TIMER 2x Indoor unit communication circuit error Result 4 of 7 with this code and meaning. Expand for model and series details.
OP 2x / TIMER 2x Indoor unit PCB error Result 3 of 6 with this code and meaning. Expand for model and series details.
OP 2x / TIMER 3x Indoor unit PCB error Result 3 of 6 with this code and meaning. Expand for model and series details.
OP 3x / TIMER 1x Power supply error Result 4 of 7 with this code and meaning. Expand for model and series details.
OP 3x / TIMER 2x Indoor unit PCB error Result 5 of 8 with this code and meaning. Expand for model and series details.
OP 3x / TIMER 5x Indoor unit PCB error Result 5 of 8 with this code and meaning. Expand for model and series details.
OP 4x / TIMER 1x Indoor unit sensor error Result 5 of 8 with this code and meaning. Expand for model and series details.
OP 4x / TIMER 2x Indoor unit sensor error Result 5 of 8 with this code and meaning. Expand for model and series details.
OP 5x / TIMER 1x Indoor unit fan motor error Result 6 of 9 with this code and meaning. Expand for model and series details.
OP 6x / TIMER 2x Outdoor unit electronic component error Result 4 of 7 with this code and meaning. Expand for model and series details.
OP 6x / TIMER 3x Outdoor unit electronic component error Result 3 of 6 with this code and meaning. Expand for model and series details.
OP 6x / TIMER 4x Outdoor unit electronic component error Result 3 of 6 with this code and meaning. Expand for model and series details.
OP 6x / TIMER 5x Outdoor unit electronic component error Result 3 of 6 with this code and meaning. Expand for model and series details.
OP 7x / TIMER 1x Outdoor unit sensor error Result 4 of 7 with this code and meaning. Expand for model and series details.
OP 7x / TIMER 3x Outdoor unit sensor error Result 4 of 7 with this code and meaning. Expand for model and series details.
OP 7x / TIMER 4x Outdoor unit sensor error Result 4 of 7 with this code and meaning. Expand for model and series details.
OP 8x / TIMER 4x Outdoor unit electronic component error Result 6 of 9 with this code and meaning. Expand for model and series details.
OP 9x / TIMER 4x Outdoor unit electronic component error Result 3 of 5 with this code and meaning. Expand for model and series details.
OP 9x / TIMER 5x Compressor error Result 3 of 5 with this code and meaning. Expand for model and series details.
OP 9x / TIMER 7x Outdoor unit fan motor error Result 5 of 7 with this code and meaning. Expand for model and series details.
OP 9x / TIMER 9x Refrigerant gas or heat exchanger error Result 3 of 5 with this code and meaning. Expand for model and series details.
OP 10x / TIMER 1x Refrigerant gas or heat exchanger error Result 4 of 6 with this code and meaning. Expand for model and series details.
OP 7x / TIMER 2x Outdoor unit sensor error Result 1 of 3 with this code and meaning. Expand for model and series details.
OP 8x / TIMER 6x Refrigerant gas or heat exchanger error Result 2 of 4 with this code and meaning. Expand for model and series details.
OP 10x / TIMER 3x Refrigerant gas or heat exchanger error Result 1 of 2 with this code and meaning. Expand for model and series details.
OP 1x / TIMER 1x Serial communication error Result 7 of 9 with this code and meaning. Expand for model and series details.
OP 1x / TIMER 2x Indoor unit communication circuit error Result 5 of 7 with this code and meaning. Expand for model and series details.
OP 1x / TIMER 5x Serial communication error Result 2 of 4 with this code and meaning. Expand for model and series details.
OP 1x / TIMER 8x External communication error Result 4 of 6 with this code and meaning. Expand for model and series details.
OP 2x / TIMER 2x Indoor unit PCB error Result 4 of 6 with this code and meaning. Expand for model and series details.
OP 2x / TIMER 3x Indoor unit PCB error Result 4 of 6 with this code and meaning. Expand for model and series details.
OP 2x / TIMER 6x Indoor unit PCB error Result 2 of 4 with this code and meaning. Expand for model and series details.
OP 2x / TIMER 9x Indoor unit PCB error Result 2 of 4 with this code and meaning. Expand for model and series details.
OP 3x / TIMER 1x Power supply error Result 5 of 7 with this code and meaning. Expand for model and series details.
OP 3x / TIMER 2x Indoor unit PCB error Result 6 of 8 with this code and meaning. Expand for model and series details.
OP 3x / TIMER 3x Indoor unit PCB error Result 2 of 4 with this code and meaning. Expand for model and series details.
OP 3x / TIMER 5x Indoor unit PCB error Result 6 of 8 with this code and meaning. Expand for model and series details.
OP 3x / TIMER 9x Indoor unit PCB error Result 2 of 3 with this code and meaning. Expand for model and series details.
OP 3x / TIMER 10x Indoor unit communication circuit error Result 2 of 4 with this code and meaning. Expand for model and series details.
OP 4x / TIMER 1x Indoor unit sensor error Result 6 of 8 with this code and meaning. Expand for model and series details.
OP 4x / TIMER 2x Indoor unit sensor error Result 6 of 8 with this code and meaning. Expand for model and series details.
OP 5x / TIMER 1x Indoor unit fan motor error Result 7 of 9 with this code and meaning. Expand for model and series details.
OP 6x / TIMER 2x Outdoor unit electronic component error Result 5 of 7 with this code and meaning. Expand for model and series details.
OP 6x / TIMER 3x Outdoor unit electronic component error Result 4 of 6 with this code and meaning. Expand for model and series details.
OP 6x / TIMER 4x Outdoor unit electronic component error Result 4 of 6 with this code and meaning. Expand for model and series details.
OP 6x / TIMER 5x Outdoor unit electronic component error Result 4 of 6 with this code and meaning. Expand for model and series details.
OP 7x / TIMER 1x Outdoor unit sensor error Result 5 of 7 with this code and meaning. Expand for model and series details.
OP 7x / TIMER 3x Outdoor unit sensor error Result 5 of 7 with this code and meaning. Expand for model and series details.
OP 7x / TIMER 4x Outdoor unit sensor error Result 5 of 7 with this code and meaning. Expand for model and series details.
OP 8x / TIMER 4x Outdoor unit electronic component error Result 7 of 9 with this code and meaning. Expand for model and series details.
OP 8x / TIMER 6x Refrigerant gas or heat exchanger error Result 3 of 4 with this code and meaning. Expand for model and series details.
OP 9x / TIMER 4x Outdoor unit electronic component error Result 4 of 5 with this code and meaning. Expand for model and series details.
OP 9x / TIMER 5x Compressor error Result 4 of 5 with this code and meaning. Expand for model and series details.
OP 9x / TIMER 7x Outdoor unit fan motor error Result 6 of 7 with this code and meaning. Expand for model and series details.
OP 9x / TIMER 9x Refrigerant gas or heat exchanger error Result 4 of 5 with this code and meaning. Expand for model and series details.
OP 10x / TIMER 1x Refrigerant gas or heat exchanger error Result 5 of 6 with this code and meaning. Expand for model and series details.
OP 7x / TIMER 2x Outdoor unit sensor error Result 2 of 3 with this code and meaning. Expand for model and series details.
OP 10x / TIMER 3x Refrigerant gas or heat exchanger error Result 2 of 2 with this code and meaning. Expand for model and series details.
OP 1x / TIMER 1x Serial communication error Result 8 of 9 with this code and meaning. Expand for model and series details.
OP 1x / TIMER 2x Indoor unit communication circuit error Result 6 of 7 with this code and meaning. Expand for model and series details.
OP 1x / TIMER 5x Serial communication error Result 3 of 4 with this code and meaning. Expand for model and series details.
OP 1x / TIMER 8x External communication error Result 5 of 6 with this code and meaning. Expand for model and series details.
OP 2x / TIMER 2x Indoor unit PCB error Result 5 of 6 with this code and meaning. Expand for model and series details.
OP 2x / TIMER 3x Indoor unit PCB error Result 5 of 6 with this code and meaning. Expand for model and series details.
OP 2x / TIMER 6x Indoor unit PCB error Result 3 of 4 with this code and meaning. Expand for model and series details.
OP 2x / TIMER 9x Indoor unit PCB error Result 3 of 4 with this code and meaning. Expand for model and series details.
OP 3x / TIMER 1x Power supply error Result 6 of 7 with this code and meaning. Expand for model and series details.
OP 3x / TIMER 2x Indoor unit PCB error Result 7 of 8 with this code and meaning. Expand for model and series details.
OP 3x / TIMER 3x Indoor unit PCB error Result 3 of 4 with this code and meaning. Expand for model and series details.
OP 3x / TIMER 5x Indoor unit PCB error Result 7 of 8 with this code and meaning. Expand for model and series details.
OP 3x / TIMER 9x Indoor unit PCB error Result 3 of 3 with this code and meaning. Expand for model and series details.
OP 3x / TIMER 10x Indoor unit communication circuit error Result 3 of 4 with this code and meaning. Expand for model and series details.
OP 4x / TIMER 1x Indoor unit sensor error Result 7 of 8 with this code and meaning. Expand for model and series details.
OP 4x / TIMER 2x Indoor unit sensor error Result 7 of 8 with this code and meaning. Expand for model and series details.
OP 5x / TIMER 1x Indoor unit fan motor error Result 8 of 9 with this code and meaning. Expand for model and series details.
OP 6x / TIMER 2x Outdoor unit electronic component error Result 6 of 7 with this code and meaning. Expand for model and series details.
OP 6x / TIMER 3x Outdoor unit electronic component error Result 5 of 6 with this code and meaning. Expand for model and series details.
OP 6x / TIMER 4x Outdoor unit electronic component error Result 5 of 6 with this code and meaning. Expand for model and series details.
OP 6x / TIMER 5x Outdoor unit electronic component error Result 5 of 6 with this code and meaning. Expand for model and series details.
OP 7x / TIMER 1x Outdoor unit sensor error Result 6 of 7 with this code and meaning. Expand for model and series details.
OP 7x / TIMER 3x Outdoor unit sensor error Result 6 of 7 with this code and meaning. Expand for model and series details.
OP 7x / TIMER 4x Outdoor unit sensor error Result 6 of 7 with this code and meaning. Expand for model and series details.
OP 8x / TIMER 4x Outdoor unit electronic component error Result 8 of 9 with this code and meaning. Expand for model and series details.
OP 9x / TIMER 4x Outdoor unit electronic component error Result 5 of 5 with this code and meaning. Expand for model and series details.
OP 9x / TIMER 5x Compressor error Result 5 of 5 with this code and meaning. Expand for model and series details.
OP 9x / TIMER 7x Outdoor unit fan motor error Result 7 of 7 with this code and meaning. Expand for model and series details.
OP 9x / TIMER 9x Refrigerant gas or heat exchanger error Result 5 of 5 with this code and meaning. Expand for model and series details.
OP 10x / TIMER 1x Refrigerant gas or heat exchanger error Result 6 of 6 with this code and meaning. Expand for model and series details.
OP 1x / TIMER 1x Serial communication error Result 9 of 9 with this code and meaning. Expand for model and series details.
OP 1x / TIMER 2x Indoor unit communication circuit error Result 7 of 7 with this code and meaning. Expand for model and series details.
OP 1x / TIMER 5x Serial communication error Result 4 of 4 with this code and meaning. Expand for model and series details.
OP 1x / TIMER 8x External communication error Result 6 of 6 with this code and meaning. Expand for model and series details.
OP 2x / TIMER 2x Indoor unit PCB error Result 6 of 6 with this code and meaning. Expand for model and series details.
OP 2x / TIMER 3x Indoor unit PCB error Result 6 of 6 with this code and meaning. Expand for model and series details.
OP 2x / TIMER 6x Indoor unit PCB error Result 4 of 4 with this code and meaning. Expand for model and series details.
OP 2x / TIMER 9x Indoor unit PCB error Result 4 of 4 with this code and meaning. Expand for model and series details.
OP 3x / TIMER 1x Power supply error Result 7 of 7 with this code and meaning. Expand for model and series details.
OP 3x / TIMER 2x Indoor unit PCB error Result 8 of 8 with this code and meaning. Expand for model and series details.
OP 3x / TIMER 3x Indoor unit PCB error Result 4 of 4 with this code and meaning. Expand for model and series details.
OP 3x / TIMER 5x Indoor unit PCB error Result 8 of 8 with this code and meaning. Expand for model and series details.
OP 3x / TIMER 10x Indoor unit communication circuit error Result 4 of 4 with this code and meaning. Expand for model and series details.
OP 4x / TIMER 1x Indoor unit sensor error Result 8 of 8 with this code and meaning. Expand for model and series details.
OP 4x / TIMER 2x Indoor unit sensor error Result 8 of 8 with this code and meaning. Expand for model and series details.
OP 5x / TIMER 1x Indoor unit fan motor error Result 9 of 9 with this code and meaning. Expand for model and series details.
OP 6x / TIMER 2x Outdoor unit electronic component error Result 7 of 7 with this code and meaning. Expand for model and series details.
OP 6x / TIMER 3x Outdoor unit electronic component error Result 6 of 6 with this code and meaning. Expand for model and series details.
OP 6x / TIMER 4x Outdoor unit electronic component error Result 6 of 6 with this code and meaning. Expand for model and series details.
OP 6x / TIMER 5x Outdoor unit electronic component error Result 6 of 6 with this code and meaning. Expand for model and series details.
OP 7x / TIMER 1x Outdoor unit sensor error Result 7 of 7 with this code and meaning. Expand for model and series details.
OP 7x / TIMER 2x Outdoor unit sensor error Result 3 of 3 with this code and meaning. Expand for model and series details.
OP 7x / TIMER 3x Outdoor unit sensor error Result 7 of 7 with this code and meaning. Expand for model and series details.
OP 7x / TIMER 4x Outdoor unit sensor error Result 7 of 7 with this code and meaning. Expand for model and series details.
OP 8x / TIMER 4x Outdoor unit electronic component error Result 9 of 9 with this code and meaning. Expand for model and series details.
OP 8x / TIMER 6x Refrigerant gas or heat exchanger error Result 4 of 4 with this code and meaning. Expand for model and series details.
OP blinks / TIMER blinks / SWING off Indoor PCB failure
OP blinks / TIMER blinks / SWING blinks Outdoor PCB failure
OP blinks / TIMER 2 pulses / SWING off Outdoor power connection failure
OP blinks / TIMER 3 pulses / SWING off Outdoor pipe sensor failure
OP blinks / TIMER 4 pulses / SWING off Outdoor air sensor failure
OP blinks / TIMER 4 pulses / SWING blinks Outdoor air sensor short
OP blinks / TIMER 5 pulses / SWING off Outdoor discharge sensor failure
OP blinks / TIMER 5 pulses / SWING blinks Outdoor discharge sensor short
OP blinks / TIMER 6 pulses / SWING off High pressure
OP blinks / TIMER 7 pulses / SWING off High discharge or compressor temperature
OP blinks / TIMER 9 pulses / SWING off Outdoor compressor temperature sensor
OP blinks / TIMER 10 pulses / SWING off IPM error
OP blinks / TIMER 11 pulses / SWING off CT error
OP blinks / TIMER 12 pulses / SWING off AFM filter error
OP blinks / TIMER 13 pulses / SWING off Compressor error
OP blinks / TIMER 14 pulses / SWING off Outdoor fan motor failure
OP 2 pulses / TIMER blinks / SWING off Air sensor open
OP 2 pulses / TIMER blinks / SWING blinks Air sensor closed
OP 3 pulses / TIMER blinks / SWING off Pipe sensor open
OP 3 pulses / TIMER blinks / SWING blinks Pipe sensor closed
OP 4 pulses / TIMER blinks / SWING off Drain problem
OP 5 pulses / TIMER blinks / SWING off Communication error
OP 5 pulses / TIMER blinks / SWING blinks Outdoor PCB or wiring error
OP 6 pulses / TIMER blinks / SWING off Indoor fan failure
E:00 Indoor unit to remote controller communication failure
E:01 Indoor unit to outdoor unit communication failure
E:02 Indoor air sensor open
E:03 Indoor air sensor short
E:04 Indoor pipe sensor open
E:05 Indoor pipe sensor short
E:06 Outdoor pipe sensor failure
E:08 Power source connection failure
E:09 Drain problem or float switch operated
E:0A Outdoor air sensor failure
E:0C Discharge sensor failure
E:0E Outdoor high pressure or heat sink error
E:11 Outdoor PCB failure
E:12 Indoor fan failure
E:13 Outdoor signal abnormal or indoor signal error
E:14 Outdoor EEPROM failure
E:15 Compressor temperature failure
E:16 Pressure switch error
E:17 IPM error
E:18 CT error
E:19 Active filter module error
E:1A Compressor failure
E:1B Outdoor fan failure
E:1C Inverter to PCB communication failure
E:1D 2-way valve sensor failure
E:1E Expansion valve error
E:1F Connection indoor unit error
E:20 Indoor manual switch abnormal
E:24 Excessive high pressure protection on cooling
E:25 PFC circuit error
E:26 Indoor signal error
E:27 Indoor signal error
E:28 Indoor heat exchanger temperature error
E:29 Outdoor heat exchanger middle temperature error
E:2A Power supply frequency detection error
E:2B Compressor temperature error
E:2C Four-way valve abnormal
11 Serial communication error between indoor/outdoor units
12 Remote controller communication error
13 Communication error between Outdoor unit
14 Network communication error
15 Scan error
16 Peripheral device communication error
17 Electricity charge apportionment error
18 External communication error Result 1 of 2 with this code and meaning. Expand for model and series details.
21 Initial setting error
22 Indoor unit capacity abnormal
23 Incompatible series connection error
24 Connection unit number error
25 Connection pipe length error
26 Address setting error
27 Master unit, slave unit set-up error
28 Other setting error
29 Connection unit number error in wired remote controller system
31 Indoor unit power supply abnormal
32 Indoor unit main PCB error
33 Indoor unit extensions microcomputers error
34 Power relay error
35 Indoor unit manual auto switch error
36 Heater relay error
37 Indoor unit transmission PCB error
38 Network convertor PCB error
39 Indoor unit power supply circuit error
3A Indoor unit communication circuit (wired remote controller) error
41 Indoor unit room temp. thermistor error
42 Indoor unit heat ex. temp. thermistor error
43 Humidity sensor error
44 Light sensor error
45 Gas sensor error
46 Float sensor error
47 Water temperature sensor error
48 Warm water flow rate sensor error
49 Heater sensor error
4A Indoor unit air temp. thermistor error
51 Indoor unit fan motor 1 error
52 Indoor unit coil (expansion valve) error
53 Indoor unit water drain abnormal
54 Air cleaning function error
55 Filter cleaning function error
56 Water circulation pump error
57 Indoor unit damper error
58 Indoor unit intake grille position error
59 Indoor unit fan motor 2 error
5A Indoor unit fan motor 3 error
5U Indoor unit miscellaneous error
61 Outdoor unit power supply abnormal
62 Outdoor unit main PCB error
63 Outdoor unit inverter PCB error
64 Outdoor unit active filter/PFC circuit error
65 Outdoor unit IPM error
66 Convertor distinction error
67 Outdoor unit power short interruption error (protective operation)
68 Outdoor unit magnetic relay error
69 Outdoor unit transmission PCB error
6A Outdoor unit display PCB error
71 Outdoor unit discharge temp. thermistor error
72 Outdoor unit compressor temp. thermistor error
73 Outdoor unit heat ex. temp. thermistor error
74 Outside air temp. thermistor error
75 Outdoor unit suction gas temp. thermistor error
76 Outdoor unit operating valve thermistor error
77 Outdoor unit heat sink temp. thermistor error
78 Expansion valve temperature sensor error
81 Receiver liquid level detection sensor error
82 Outdoor unit sub-cool heat ex. gas temp. thermistor error
83 Outdoor unit liquid pipe temp. thermistor error
84 Outdoor unit current sensor error
85 Fan motor current sensor error
86 Outdoor unit pressure sensor error
87 Oil sensor error
91 Outdoor unit compressor 1 error
92 Outdoor unit compressor 2 error
93 Outdoor unit compressor start up error
94 Outdoor unit trip detection
95 Outdoor unit compressor motor control error
96 Open loop error(Field-weakening relevant)
97 Outdoor unit fan motor 1 error
98 Outdoor unit fan motor 2 error
99 Outdoor unit 4-way valve error
9A Outdoor unit coil (expansion valve) error
9U Outdoor unit miscellaneous error
A1 Outdoor unit discharge temperature 1 error
A2 Outdoor unit discharge temperature 2 error
A3 Outdoor unit compressor temperature error
A4 Outdoor unit pressure error 1
A5 Outdoor unit pressure error 2
A6 Outdoor unit heat exchanger temperature error
A7 Suction temperature abnormal
A8 Poor refrigerant circulation
A9 Current overload error
AA Outdoor unit special operation error
AC Ambient temperature error
AF Out of the possible operation range
AJ Freeze protection operated
C1 Peripheral unit main PCB error
C2 Peripheral unit transmission PCB error
C3 Peripheral unit PCB 1 error
C4 PCB 2 error
C5 PCB 3 error
C6 PCB 4 error
C7 PCB 5 error
C8 Peripheral unit input device error
C9 Display device error
CA EEPROM error
CC Peripheral unit sensor error
CF Peripheral unit external connector error (USB memory)
CJ Other parts error
F1 System tool software error
F2 System tool adaptor error
F3 System tool interface error
F4 System tool environment error
J1 RB unit error
J2 Branch boxes error
J3 Total heat exchanging, ventilation unit error
J4 Domestic hot water unit error
J5 Zone control interface error
J6 DX-Kit error
11 Serial communication error
18 External communication error Result 2 of 2 with this code and meaning. Expand for model and series details.
22 Indoor-unit capacity error
23 Outdoor-unit combination error
26 Address-setting error in the wired remote-controller system
29 Connected indoor-unit count error
32 Indoor-unit main PCB error
33 Indoor-unit motor electricity-consumption detection error
35 Manual-auto button error
39 Indoor-unit fan-motor power-supply error
3A Indoor-unit wired-controller communication-circuit error
41 Indoor room-temperature sensor error
42 Indoor heat-exchanger temperature-sensor error
44 Human-detection sensor error
51 Indoor-unit fan-motor error
5U Indoor-unit error
62 Outdoor-unit main PCB error
64 Outdoor-unit PFC circuit error
65 Outdoor-unit IPM error
71 Outdoor discharge thermistor error
73 Outdoor heat-exchanger liquid-outlet thermistor error
74 Outdoor-temperature thermistor error
84 Outdoor-unit current-sensor error
94 Outdoor-unit overcurrent error
95 Compressor-motor control error
97 Outdoor-unit fan-motor error
99 Outdoor-unit four-way-valve error
A1 Outdoor discharge-temperature error
11.1 Serial reverse-transmission error at start-up
11.2 Serial reverse-transmission error during operation
11.3 Serial forward-transmission error at start-up
11.4 Serial forward-transmission error during operation
18.1 External communication 1 error
22.1 Indoor-unit capacity error
23.1 Connection forbidden because of a series mismatch
23.2 Indoor/outdoor unit combination error
26.4 Duplicate address in the wired remote-controller system
26.5 Address-setting error in the wired remote-controller system
29.1 Connected indoor-unit count error in the wired remote-controller system
32.1 Indoor-unit PCB model-information error
32.6 Indoor-unit constant-correction control error
33.2 Indoor-unit motor electricity-consumption detection microcomputer error
35.1 Indoor-unit manual-auto switch error
39.1 Indoor-unit fan-motor 1 power-supply error
3A.1 Indoor-unit wired-controller communication-circuit microcomputer error
41.1 Indoor-unit suction-air temperature thermistor error
42.2 Indoor-unit heat-exchanger middle-temperature thermistor error
44.1 Human-detection sensor error
51.1 Indoor-unit fan motor 1 lock error
51.2 Indoor-unit fan motor 1 rotation-speed error
62.1 Outdoor-unit PCB model-information error
62.2 Outdoor-unit PCB microcomputer communication error
64.1 Outdoor-unit abnormal-voltage error with permanent stop
64.3 Outdoor-unit abnormal-voltage error with automatic recovery
64.4 Outdoor-unit overcurrent error with permanent stop
64.8 Outdoor-unit PFC hardware error
65.3 Outdoor-unit trip-terminal L error
71.1 Outdoor-unit discharge-temperature thermistor 1 error
73.3 Outdoor-unit heat-exchanger liquid-temperature thermistor error
74.1 Outside-air temperature thermistor error
84.1 Outdoor-unit current sensor 1 error with permanent stop
94.1 Outdoor-unit trip detection
95.1 Outdoor-unit compressor rotor-position detection error with permanent stop
97.3 Outdoor-unit fan motor 1 power-source duty error
99.1 Outdoor-unit four-way-valve error
A1.1 Outdoor-unit discharge-temperature 1 error with permanent stop