0C TA room temperature sensor short-circuit or disconnection
0D TC indoor heat-exchanger temperature sensor out of place, disconnected, short-circuited, or migrated
11 Indoor fan motor failure, lock rotor, short circuit, disconnection, or indoor PCB fan circuit problem
12 Other trouble on the indoor PCB
04 Serial signal or connecting-cable fault between indoor and outdoor units
14 Outdoor inverter current over limit in a short time; possible inverter PCB, IGBT, compressor current, or lock-rotor fault
16 Compressor position-detect circuit error or compressor winding short-circuit
17 Current-detect circuit error on the inverter PCB
18 TE or TS outdoor sensor abnormal: out of place, disconnected, shorted, or misconnected
19 TD discharge-pipe temperature sensor disconnected or shorted
1A Outdoor fan failure or inverter PCB fan-drive circuit failure
1B TO outdoor temperature sensor disconnected or shorted
1C Compressor drive output error or abnormal voltage/current/frequency relationship
07 Outdoor return signal stopped after operation started; possible power, protector, refrigerant, pressure, or signal-circuit issue
1D Compressor does not rotate because of missed wiring, missed phase, or shortage
1E Discharge temperature exceeded 117 degrees C
1F Compressor high current even after operation frequency has reduced to minimum
21 Outdoor return signal stopped repeatedly, with possible TE/TC high temperature or TE/TS sensor abnormality
04 Serial signal error
07 Case thermo error
0C TA room temperature sensor error
0D TC heat-exchanger temperature sensor error
0E Refrigerant leak sensor error
0F TCJ heat-exchanger temperature sensor error
11 Indoor fan motor error
12 Indoor P.C. board error
14 G-Tr short circuit protection error
16 Compressor position detection circuit error
17 Current sensor error
18 TE outdoor heat-exchanger temperature sensor or TS suction-pipe temperature sensor error
19 TD discharge-pipe temperature sensor error
1A Outdoor fan motor error
1B TO outdoor temperature sensor error
1C Compressor system or other error
1D Compressor does not rotate
1E TD discharge-pipe temperature sensor over limit
1F Compressor breakdown
21 High pressure is detected
25 Refrigerant leak detection
26 Gas detector sensor error for bi-flow models
41 UART communication error between RAC interface and RAC
C05 Central controller transmission fault Result 1 of 2 with this code and meaning. Expand for model and series details.
C06 Central controller reception fault Result 1 of 2 with this code and meaning. Expand for model and series details.
C12 General-purpose device control interface alarm Result 1 of 2 with this code and meaning. Expand for model and series details.
E01 Remote controller cannot receive signals from the indoor unit Result 1 of 2 with this code and meaning. Expand for model and series details.
E02 Remote controller cannot transmit signals to the indoor unit Result 1 of 2 with this code and meaning. Expand for model and series details.
E03 Indoor unit lost communication from the remote controller or network adaptor Result 1 of 2 with this code and meaning. Expand for model and series details.
E04 Indoor unit is not receiving signals from the outdoor unit Result 1 of 2 with this code and meaning. Expand for model and series details.
E06 An indoor unit dropped out of normal communication Result 1 of 2 with this code and meaning. Expand for model and series details.
E07 Outdoor unit cannot transmit signals to indoor units Result 1 of 2 with this code and meaning. Expand for model and series details.
E08 An indoor-unit address is duplicated Result 1 of 2 with this code and meaning. Expand for model and series details.
E09 Two remote controllers are both configured as master Result 1 of 2 with this code and meaning. Expand for model and series details.
E10 Indoor main-controller to motor-microcontroller communication fault Result 1 of 2 with this code and meaning. Expand for model and series details.
E11 Application control kit to indoor PCB communication fault
E12 Automatic address setting started in a conflicting communication state Result 1 of 2 with this code and meaning. Expand for model and series details.
E15 Indoor unit was not found during automatic address setting Result 1 of 2 with this code and meaning. Expand for model and series details.
E16 Too many indoor units or excessive connected capacity Result 1 of 2 with this code and meaning. Expand for model and series details.
E18 Indoor header and follower units lost periodic communication Result 1 of 2 with this code and meaning. Expand for model and series details.
E19 No outdoor header unit or more than one outdoor header unit Result 1 of 2 with this code and meaning. Expand for model and series details.
E20 A unit from another refrigerant line was found during automatic addressing Result 1 of 2 with this code and meaning. Expand for model and series details.
E23 Outdoor unit cannot transmit signals to another outdoor unit Result 1 of 2 with this code and meaning. Expand for model and series details.
E25 A follower outdoor-unit address is duplicated Result 1 of 2 with this code and meaning. Expand for model and series details.
E26 A follower outdoor unit dropped out of communication Result 1 of 2 with this code and meaning. Expand for model and series details.
E28 Outdoor header unit detected a follower outdoor-unit fault Result 1 of 2 with this code and meaning. Expand for model and series details.
E31 Communication fault between inverter-box PCBs Result 1 of 2 with this code and meaning. Expand for model and series details.
F01 Indoor heat-exchanger temperature sensor TCJ is open or shorted Result 1 of 2 with this code and meaning. Expand for model and series details.
F02 Indoor heat-exchanger temperature sensor TC2 is open or shorted Result 1 of 2 with this code and meaning. Expand for model and series details.
F03 Indoor heat-exchanger temperature sensor TC1 is open or shorted Result 1 of 2 with this code and meaning. Expand for model and series details.
F04 Outdoor discharge temperature sensor TD1 is open or shorted Result 1 of 2 with this code and meaning. Expand for model and series details.
F05 Outdoor discharge temperature sensor TD2 is open or shorted Result 1 of 2 with this code and meaning. Expand for model and series details.
F06 Outdoor heat-exchanger liquid-side sensor TE1, TE2, or TE3 is open or shorted Result 1 of 2 with this code and meaning. Expand for model and series details.
F07 Outdoor liquid temperature sensor TL1, TL2, or TL3 is open or shorted Result 1 of 2 with this code and meaning. Expand for model and series details.
F08 Outdoor-air temperature sensor TO is open or shorted Result 1 of 2 with this code and meaning. Expand for model and series details.
F09 Outdoor heat-exchanger gas-side sensor TG1, TG2, or TG3 is open or shorted Result 1 of 2 with this code and meaning. Expand for model and series details.
F10 Indoor room-air temperature sensor TA or TSA is open or shorted Result 1 of 2 with this code and meaning. Expand for model and series details.
F11 Indoor discharge-air temperature sensor TF or TFA is open or shorted Result 1 of 2 with this code and meaning. Expand for model and series details.
F12 Outdoor suction temperature sensor TS1 or TS3 fault Result 1 of 2 with this code and meaning. Expand for model and series details.
F13 Compressor inverter heat-sink sensor TH is open or shorted Result 1 of 2 with this code and meaning. Expand for model and series details.
F15 Outdoor heat-exchanger sensor TE1 or liquid sensor TL wiring fault Result 1 of 2 with this code and meaning. Expand for model and series details.
F16 Outdoor pressure sensor Pd or Ps wiring fault Result 1 of 2 with this code and meaning. Expand for model and series details.
F23 Low-pressure sensor Ps output is zero Result 1 of 2 with this code and meaning. Expand for model and series details.
F24 High-pressure sensor Pd output is zero or abnormal Result 1 of 2 with this code and meaning. Expand for model and series details.
F29 Indoor PCB, EEPROM, or air-suction temperature sensor fault Result 1 of 2 with this code and meaning. Expand for model and series details.
F30 Occupancy sensor fault
F31 Outdoor EEPROM fault Result 1 of 4 with this code and meaning. Expand for model and series details.
H01 Compressor inverter overcurrent detected Result 1 of 2 with this code and meaning. Expand for model and series details.
H02 Compressor lockup detected Result 1 of 2 with this code and meaning. Expand for model and series details.
H03 Abnormal compressor current detected while stopped Result 1 of 2 with this code and meaning. Expand for model and series details.
H05 Outdoor discharge sensor TD1 wiring, installation, or detachment fault Result 1 of 2 with this code and meaning. Expand for model and series details.
H06 Low-pressure protection activated Result 1 of 2 with this code and meaning. Expand for model and series details.
H07 Low compressor oil-level protection activated Result 1 of 2 with this code and meaning. Expand for model and series details.
H08 Oil-level temperature sensor TK1 or TK2 is open or shorted Result 1 of 2 with this code and meaning. Expand for model and series details.
H15 Outdoor discharge sensor TD2 wiring, installation, or detachment fault Result 1 of 2 with this code and meaning. Expand for model and series details.
H16 Compressor oil-level detection circuit fault Result 1 of 2 with this code and meaning. Expand for model and series details.
H17 Compressor step-out fault Result 1 of 2 with this code and meaning. Expand for model and series details.
L02 Outdoor unit model mismatch
L03 More than one indoor unit is configured as group header Result 1 of 2 with this code and meaning. Expand for model and series details.
L04 An outdoor refrigerant-line address is duplicated Result 1 of 2 with this code and meaning. Expand for model and series details.
L05 More than one priority indoor unit is configured Result 1 of 2 with this code and meaning. Expand for model and series details.
L06 Duplicate priority indoor unit reported by a non-priority indoor unit Result 1 of 2 with this code and meaning. Expand for model and series details.
L07 Group-control cable is connected to a stand-alone indoor unit Result 1 of 2 with this code and meaning. Expand for model and series details.
L08 An indoor group address has not been set Result 1 of 2 with this code and meaning. Expand for model and series details.
L09 Indoor-unit capacity has not been set Result 1 of 2 with this code and meaning. Expand for model and series details.
L10 Outdoor-unit capacity has not been set after PCB replacement Result 1 of 2 with this code and meaning. Expand for model and series details.
L17 An incompatible outdoor unit is connected
L20 A central-control address is duplicated Result 1 of 2 with this code and meaning. Expand for model and series details.
L23 Outdoor switch setting fault with a hot-water module connected Result 1 of 2 with this code and meaning. Expand for model and series details.
L28 Too many outdoor units are connected Result 1 of 2 with this code and meaning. Expand for model and series details.
L29 The inverter box has the wrong number of PCBs
L30 Indoor external interlock fault input is active Result 1 of 2 with this code and meaning. Expand for model and series details.
P01 Indoor AC fan thermal relay fault Result 1 of 2 with this code and meaning. Expand for model and series details.
P03 Outdoor discharge temperature TD1 is abnormally high Result 1 of 2 with this code and meaning. Expand for model and series details.
P04 Outdoor high-pressure switch has activated Result 1 of 2 with this code and meaning. Expand for model and series details.
P05 Power-supply, open-phase, or compressor inverter DC-voltage fault Result 1 of 2 with this code and meaning. Expand for model and series details.
P07 Compressor inverter heat-sink overheating or dewing fault Result 1 of 2 with this code and meaning. Expand for model and series details.
P10 Indoor overflow float switch has activated Result 1 of 2 with this code and meaning. Expand for model and series details.
P11 Outdoor heat-exchanger freeze protection Result 1 of 2 with this code and meaning. Expand for model and series details.
P12 Indoor DC fan overcurrent or lockup fault Result 1 of 2 with this code and meaning. Expand for model and series details.
P13 Outdoor liquid-backflow condition detected Result 1 of 2 with this code and meaning. Expand for model and series details.
P14 Outdoor-unit valve was left closed during test operation Result 1 of 2 with this code and meaning. Expand for model and series details.
P15 Gas-leak or insufficient-refrigerant condition detected
P17 Outdoor discharge temperature TD2 is abnormally high Result 1 of 2 with this code and meaning. Expand for model and series details.
P18 Outdoor discharge temperature TD3 is abnormally high
P19 Outdoor four-way valve reversing fault Result 1 of 2 with this code and meaning. Expand for model and series details.
P20 High-pressure sensor protection activated Result 1 of 2 with this code and meaning. Expand for model and series details.
P22 Outdoor fan PCB fault Result 1 of 2 with this code and meaning. Expand for model and series details.
P26 Compressor IPM short-circuit protection activated
P29 Compressor position-detection circuit fault Result 1 of 4 with this code and meaning. Expand for model and series details.
P30 A group-control follower unit has another active fault Result 1 of 2 with this code and meaning. Expand for model and series details.
P31 A follower indoor unit stopped because the group header has an alarm Result 1 of 2 with this code and meaning. Expand for model and series details.
S01 Central controller cannot receive signals Result 1 of 2 with this code and meaning. Expand for model and series details.
No code Test operation is in progress
No code The selected cooling or heating setting is incompatible with the model
C05 Central controller transmission fault Result 2 of 2 with this code and meaning. Expand for model and series details.
C06 Central controller reception fault Result 2 of 2 with this code and meaning. Expand for model and series details.
C12 General-purpose device control interface alarm Result 2 of 2 with this code and meaning. Expand for model and series details.
E01 Remote controller cannot receive signals from the indoor unit Result 2 of 2 with this code and meaning. Expand for model and series details.
E02 Remote controller cannot transmit signals to the indoor unit Result 2 of 2 with this code and meaning. Expand for model and series details.
E03 Indoor unit lost communication from the remote controller or network adaptor Result 2 of 2 with this code and meaning. Expand for model and series details.
E04 Indoor unit is not receiving signals from the outdoor unit Result 2 of 2 with this code and meaning. Expand for model and series details.
E06 An indoor unit dropped out of normal communication Result 2 of 2 with this code and meaning. Expand for model and series details.
E07 Outdoor unit cannot transmit signals to indoor units Result 2 of 2 with this code and meaning. Expand for model and series details.
E08 An indoor-unit address is duplicated Result 2 of 2 with this code and meaning. Expand for model and series details.
E09 Two remote controllers are both configured as master Result 2 of 2 with this code and meaning. Expand for model and series details.
E10 Indoor main-controller to motor-microcontroller communication fault Result 2 of 2 with this code and meaning. Expand for model and series details.
E12 Automatic address setting started in a conflicting communication state Result 2 of 2 with this code and meaning. Expand for model and series details.
E15 Indoor unit was not found during automatic address setting Result 2 of 2 with this code and meaning. Expand for model and series details.
E16 Too many indoor units or excessive connected capacity Result 2 of 2 with this code and meaning. Expand for model and series details.
E17 Communication trouble between indoor units and the flow-selector unit
E18 Indoor header and follower units lost periodic communication Result 2 of 2 with this code and meaning. Expand for model and series details.
E19 No outdoor header unit or more than one outdoor header unit Result 2 of 2 with this code and meaning. Expand for model and series details.
E20 A unit from another refrigerant line was found during automatic addressing Result 2 of 2 with this code and meaning. Expand for model and series details.
E23 Outdoor unit cannot transmit signals to another outdoor unit Result 2 of 2 with this code and meaning. Expand for model and series details.
E25 A follower outdoor-unit address is duplicated Result 2 of 2 with this code and meaning. Expand for model and series details.
E26 A follower outdoor unit dropped out of communication Result 2 of 2 with this code and meaning. Expand for model and series details.
E28 Outdoor header unit detected a follower outdoor-unit fault Result 2 of 2 with this code and meaning. Expand for model and series details.
E31 Communication fault between inverter-box PCBs Result 2 of 2 with this code and meaning. Expand for model and series details.
F01 Indoor heat-exchanger temperature sensor TCJ is open or shorted Result 2 of 2 with this code and meaning. Expand for model and series details.
F02 Indoor heat-exchanger temperature sensor TC2 is open or shorted Result 2 of 2 with this code and meaning. Expand for model and series details.
F03 Indoor heat-exchanger temperature sensor TC1 is open or shorted Result 2 of 2 with this code and meaning. Expand for model and series details.
F04 Outdoor discharge temperature sensor TD1 is open or shorted Result 2 of 2 with this code and meaning. Expand for model and series details.
F05 Outdoor discharge temperature sensor TD2 is open or shorted Result 2 of 2 with this code and meaning. Expand for model and series details.
F06 Outdoor heat-exchanger liquid-side sensor TE1, TE2, or TE3 is open or shorted Result 2 of 2 with this code and meaning. Expand for model and series details.
F07 Outdoor liquid temperature sensor TL1, TL2, or TL3 is open or shorted Result 2 of 2 with this code and meaning. Expand for model and series details.
F08 Outdoor-air temperature sensor TO is open or shorted Result 2 of 2 with this code and meaning. Expand for model and series details.
F09 Outdoor heat-exchanger gas-side sensor TG1, TG2, or TG3 is open or shorted Result 2 of 2 with this code and meaning. Expand for model and series details.
F10 Indoor room-air temperature sensor TA or TSA is open or shorted Result 2 of 2 with this code and meaning. Expand for model and series details.
F11 Indoor discharge-air temperature sensor TF or TFA is open or shorted Result 2 of 2 with this code and meaning. Expand for model and series details.
F12 Outdoor suction temperature sensor TS1 or TS3 fault Result 2 of 2 with this code and meaning. Expand for model and series details.
F13 Compressor inverter heat-sink sensor TH is open or shorted Result 2 of 2 with this code and meaning. Expand for model and series details.
F15 Outdoor heat-exchanger sensor TE1 or liquid sensor TL wiring fault Result 2 of 2 with this code and meaning. Expand for model and series details.
F16 Outdoor pressure sensor Pd or Ps wiring fault Result 2 of 2 with this code and meaning. Expand for model and series details.
F23 Low-pressure sensor Ps output is zero Result 2 of 2 with this code and meaning. Expand for model and series details.
F24 High-pressure sensor Pd output is zero or abnormal Result 2 of 2 with this code and meaning. Expand for model and series details.
F29 Indoor PCB, EEPROM, or air-suction temperature sensor fault Result 2 of 2 with this code and meaning. Expand for model and series details.
F31 Outdoor EEPROM fault Result 2 of 4 with this code and meaning. Expand for model and series details.
H01 Compressor inverter overcurrent detected Result 2 of 2 with this code and meaning. Expand for model and series details.
H02 Compressor lockup detected Result 2 of 2 with this code and meaning. Expand for model and series details.
H03 Abnormal compressor current detected while stopped Result 2 of 2 with this code and meaning. Expand for model and series details.
H05 Outdoor discharge sensor TD1 wiring, installation, or detachment fault Result 2 of 2 with this code and meaning. Expand for model and series details.
H06 Low-pressure protection activated Result 2 of 2 with this code and meaning. Expand for model and series details.
H07 Low compressor oil-level protection activated Result 2 of 2 with this code and meaning. Expand for model and series details.
H08 Oil-level temperature sensor TK1 or TK2 is open or shorted Result 2 of 2 with this code and meaning. Expand for model and series details.
H15 Outdoor discharge sensor TD2 wiring, installation, or detachment fault Result 2 of 2 with this code and meaning. Expand for model and series details.
H16 Compressor oil-level detection circuit fault Result 2 of 2 with this code and meaning. Expand for model and series details.
H17 Compressor step-out fault Result 2 of 2 with this code and meaning. Expand for model and series details.
H28 Compressor motor winding trouble
J01 Communication trouble between indoor units and the flow-selector unit
J02 Communication trouble between control boards in a multi-port flow-selector unit
J03 Multiple flow-selector or shut-off-valve units are assigned to one indoor unit
J29 Refrigerant leak-detector communication or malfunction fault
J30 Refrigerant leak detected by the indoor-unit leak detector
J31 The refrigerant leak-detector sensor has reached its 10-year service life
L02 Outdoor-unit model disagreement or an R32 / TU2C-Link indoor-equipment compatibility fault
L03 More than one indoor unit is configured as group header Result 2 of 2 with this code and meaning. Expand for model and series details.
L04 An outdoor refrigerant-line address is duplicated Result 2 of 2 with this code and meaning. Expand for model and series details.
L05 More than one priority indoor unit is configured Result 2 of 2 with this code and meaning. Expand for model and series details.
L06 Duplicate priority indoor unit reported by a non-priority indoor unit Result 2 of 2 with this code and meaning. Expand for model and series details.
L07 Group-control cable is connected to a stand-alone indoor unit Result 2 of 2 with this code and meaning. Expand for model and series details.
L08 An indoor group address has not been set Result 2 of 2 with this code and meaning. Expand for model and series details.
L09 Indoor-unit capacity has not been set Result 2 of 2 with this code and meaning. Expand for model and series details.
L10 Outdoor-unit capacity has not been set after PCB replacement Result 2 of 2 with this code and meaning. Expand for model and series details.
L11 Flow-selector or shut-off-valve unit installation mismatch
L13 Safety-measures settings are inconsistent across the flow-selector branch
L14 Safety-measures configuration does not match the installed leak detector or shut-off equipment
L17 Another outdoor-unit series is connected to the SHRM Advance system
L20 A central-control address is duplicated Result 2 of 2 with this code and meaning. Expand for model and series details.
L23 Outdoor switch setting fault with a hot-water module connected Result 2 of 2 with this code and meaning. Expand for model and series details.
L24 Flow-selector operation-mode priority setting has not been completed
L28 Too many outdoor units are connected Result 2 of 2 with this code and meaning. Expand for model and series details.
L29 Incorrect outdoor inverter-PCB quantity or interface-PCB model setting
L30 Indoor external interlock fault input is active Result 2 of 2 with this code and meaning. Expand for model and series details.
L31 Outdoor interface PCB extended-IC fault
P01 Indoor AC fan thermal relay fault Result 2 of 2 with this code and meaning. Expand for model and series details.
P03 Outdoor discharge temperature TD1 is abnormally high Result 2 of 2 with this code and meaning. Expand for model and series details.
P04 Outdoor high-pressure switch has activated Result 2 of 2 with this code and meaning. Expand for model and series details.
P05 Power-supply, open-phase, or compressor inverter DC-voltage fault Result 2 of 2 with this code and meaning. Expand for model and series details.
P07 Compressor inverter heat-sink overheating or dewing fault Result 2 of 2 with this code and meaning. Expand for model and series details.
P10 Indoor overflow float switch has activated Result 2 of 2 with this code and meaning. Expand for model and series details.
P11 Outdoor heat-exchanger freeze protection Result 2 of 2 with this code and meaning. Expand for model and series details.
P12 Indoor DC fan overcurrent or lockup fault Result 2 of 2 with this code and meaning. Expand for model and series details.
P13 Outdoor liquid-backflow condition detected Result 2 of 2 with this code and meaning. Expand for model and series details.
P14 Outdoor-unit valve was left closed during test operation Result 2 of 2 with this code and meaning. Expand for model and series details.
P15 Gas-leak or insufficient-refrigerant protection detected from suction or discharge temperature
P16 Compressor injection-circuit fault involving PMV5, PMV6, or their coil assignment
P17 Outdoor discharge temperature TD2 is abnormally high Result 2 of 2 with this code and meaning. Expand for model and series details.
P19 Outdoor four-way valve reversing fault Result 2 of 2 with this code and meaning. Expand for model and series details.
P20 High-pressure sensor protection activated Result 2 of 2 with this code and meaning. Expand for model and series details.
P22 Outdoor fan PCB fault Result 2 of 2 with this code and meaning. Expand for model and series details.
P25 Compressor inverter PCB fault
P26 Compressor startup trouble caused by an open phase or compressor IPM overcurrent
P29 Compressor position-detection circuit fault Result 2 of 4 with this code and meaning. Expand for model and series details.
P30 A group-control follower unit has another active fault Result 2 of 2 with this code and meaning. Expand for model and series details.
P31 A follower indoor unit stopped because the group header has an alarm Result 2 of 2 with this code and meaning. Expand for model and series details.
S01 Central controller cannot receive signals Result 2 of 2 with this code and meaning. Expand for model and series details.
E01 Remote controller cannot receive a response from the header indoor unit Result 1 of 2 with this code and meaning. Expand for model and series details.
E02 Remote controller cannot send to the indoor unit Result 1 of 2 with this code and meaning. Expand for model and series details.
E03 Indoor unit has lost regular communication from the remote controller or network adapter Result 1 of 2 with this code and meaning. Expand for model and series details.
E04 Indoor/outdoor serial communication error Result 1 of 2 with this code and meaning. Expand for model and series details.
E08 Duplicate indoor-unit address Result 1 of 2 with this code and meaning. Expand for model and series details.
E09 Multiple master remote controllers are configured Result 1 of 2 with this code and meaning. Expand for model and series details.
E10 Communication error between the indoor main MCU and fan-drive MCU Result 1 of 2 with this code and meaning. Expand for model and series details.
E18 Periodic communication error between the indoor header and follower units Result 1 of 2 with this code and meaning. Expand for model and series details.
F01 Indoor heat-exchanger TCJ sensor open or short circuit Result 1 of 2 with this code and meaning. Expand for model and series details.
F02 Indoor heat-exchanger TC sensor open or short circuit Result 1 of 2 with this code and meaning. Expand for model and series details.
F04 Compressor discharge TD sensor open or short circuit Result 1 of 2 with this code and meaning. Expand for model and series details.
F06 Outdoor heat-exchanger TE sensor open or short circuit Result 1 of 2 with this code and meaning. Expand for model and series details.
F07 Outdoor liquid-pipe TL temperature sensor open or short circuit Result 1 of 2 with this code and meaning. Expand for model and series details.
F08 Outdoor-air TO sensor open or short circuit Result 1 of 2 with this code and meaning. Expand for model and series details.
F10 Indoor room-air TA sensor open or short circuit Result 1 of 2 with this code and meaning. Expand for model and series details.
F12 Compressor suction TS sensor open or short circuit Result 1 of 2 with this code and meaning. Expand for model and series details.
F13 Outdoor heat-sink TH sensor open or short circuit Result 1 of 2 with this code and meaning. Expand for model and series details.
F15 Outdoor TE and TS temperature sensors are mounted incorrectly Result 1 of 2 with this code and meaning. Expand for model and series details.
F23 Low-pressure Ps sensor fault Result 1 of 2 with this code and meaning. Expand for model and series details.
F29 Indoor EEPROM fault Result 1 of 2 with this code and meaning. Expand for model and series details.
F31 Outdoor EEPROM fault Result 3 of 4 with this code and meaning. Expand for model and series details.
H01 Compressor breakdown or operating overcurrent Result 1 of 2 with this code and meaning. Expand for model and series details.
H02 Compressor lock Result 1 of 2 with this code and meaning. Expand for model and series details.
H03 Compressor current-detection circuit fault Result 1 of 2 with this code and meaning. Expand for model and series details.
H04 Case thermostat operated because of abnormal compressor overheating Result 1 of 2 with this code and meaning. Expand for model and series details.
H06 Low-pressure protection
L03 Duplicate indoor header units Result 1 of 2 with this code and meaning. Expand for model and series details.
L07 Group wiring was detected on an indoor unit configured for individual operation Result 1 of 2 with this code and meaning. Expand for model and series details.
L08 Indoor group address is not set Result 1 of 2 with this code and meaning. Expand for model and series details.
L09 Indoor-unit capacity is not set Result 1 of 2 with this code and meaning. Expand for model and series details.
L10 Service PCB model type is not set Result 1 of 2 with this code and meaning. Expand for model and series details.
L20 Duplicate central-control address Result 1 of 2 with this code and meaning. Expand for model and series details.
L29 Outdoor PCB MCU communication or board fault Result 1 of 2 with this code and meaning. Expand for model and series details.
L30 Outside interlock input fault Result 1 of 2 with this code and meaning. Expand for model and series details.
L31 Negative phase fault
P01 Outdoor high-pressure system trouble
P03 Discharge-temperature protection Result 1 of 2 with this code and meaning. Expand for model and series details.
P04 High-pressure switch system fault Result 1 of 2 with this code and meaning. Expand for model and series details.
P05 Three-phase power, open-phase, or supply-voltage fault Result 1 of 2 with this code and meaning. Expand for model and series details.
P07 Heat-sink overheat protection Result 1 of 2 with this code and meaning. Expand for model and series details.
P10 Indoor overflow or float-switch fault Result 1 of 2 with this code and meaning. Expand for model and series details.
P12 Indoor DC fan fault Result 1 of 2 with this code and meaning. Expand for model and series details.
P15 Gas-leak protection detected from abnormal discharge or suction temperature Result 1 of 2 with this code and meaning. Expand for model and series details.
P19 Four-way valve reverse fault Result 1 of 2 with this code and meaning. Expand for model and series details.
P20 High-pressure protection Result 1 of 2 with this code and meaning. Expand for model and series details.
P22 Outdoor fan system fault Result 1 of 2 with this code and meaning. Expand for model and series details.
P26 Compressor drive element short circuit Result 1 of 2 with this code and meaning. Expand for model and series details.
P29 Compressor position-detection circuit fault Result 3 of 4 with this code and meaning. Expand for model and series details.
P30 Indoor group follower-unit fault reported by the central controller Result 1 of 2 with this code and meaning. Expand for model and series details.
P31 Another indoor unit in the group has stopped with an error Result 1 of 2 with this code and meaning. Expand for model and series details.
C05 Central controller send fault Result 1 of 2 with this code and meaning. Expand for model and series details.
C06 Central controller receive fault Result 1 of 2 with this code and meaning. Expand for model and series details.
C05 Central controller send fault Result 2 of 2 with this code and meaning. Expand for model and series details.
C06 Central controller receive fault Result 2 of 2 with this code and meaning. Expand for model and series details.
E01 Remote controller cannot receive a response from the header indoor unit Result 2 of 2 with this code and meaning. Expand for model and series details.
E02 Remote controller cannot send to the indoor unit Result 2 of 2 with this code and meaning. Expand for model and series details.
E03 Indoor unit has lost regular communication from the remote controller or network adapter Result 2 of 2 with this code and meaning. Expand for model and series details.
E04 Indoor/outdoor serial communication error Result 2 of 2 with this code and meaning. Expand for model and series details.
E08 Duplicate indoor-unit address Result 2 of 2 with this code and meaning. Expand for model and series details.
E09 Multiple master remote controllers are configured Result 2 of 2 with this code and meaning. Expand for model and series details.
E10 Communication error between the indoor main MCU and fan-drive MCU Result 2 of 2 with this code and meaning. Expand for model and series details.
E18 Periodic communication error between the indoor header and follower units Result 2 of 2 with this code and meaning. Expand for model and series details.
F01 Indoor heat-exchanger TCJ sensor open or short circuit Result 2 of 2 with this code and meaning. Expand for model and series details.
F02 Indoor heat-exchanger TC sensor open or short circuit Result 2 of 2 with this code and meaning. Expand for model and series details.
F04 Compressor discharge TD sensor open or short circuit Result 2 of 2 with this code and meaning. Expand for model and series details.
F06 Outdoor heat-exchanger TE sensor open or short circuit Result 2 of 2 with this code and meaning. Expand for model and series details.
F07 Outdoor liquid-pipe TL temperature sensor open or short circuit Result 2 of 2 with this code and meaning. Expand for model and series details.
F08 Outdoor-air TO sensor open or short circuit Result 2 of 2 with this code and meaning. Expand for model and series details.
F10 Indoor room-air TA sensor open or short circuit Result 2 of 2 with this code and meaning. Expand for model and series details.
F12 Compressor suction TS sensor open or short circuit Result 2 of 2 with this code and meaning. Expand for model and series details.
F13 Outdoor heat-sink TH sensor open or short circuit Result 2 of 2 with this code and meaning. Expand for model and series details.
F15 Outdoor TE and TS temperature sensors are mounted incorrectly Result 2 of 2 with this code and meaning. Expand for model and series details.
F23 Low-pressure Ps sensor fault Result 2 of 2 with this code and meaning. Expand for model and series details.
F29 Indoor EEPROM fault Result 2 of 2 with this code and meaning. Expand for model and series details.
F31 Outdoor EEPROM fault Result 4 of 4 with this code and meaning. Expand for model and series details.
H01 Compressor breakdown or operating overcurrent Result 2 of 2 with this code and meaning. Expand for model and series details.
H02 Compressor lock Result 2 of 2 with this code and meaning. Expand for model and series details.
H03 Compressor current-detection circuit fault Result 2 of 2 with this code and meaning. Expand for model and series details.
H04 Case thermostat operated because of abnormal compressor overheating Result 2 of 2 with this code and meaning. Expand for model and series details.
L03 Duplicate indoor header units Result 2 of 2 with this code and meaning. Expand for model and series details.
L07 Group wiring was detected on an indoor unit configured for individual operation Result 2 of 2 with this code and meaning. Expand for model and series details.
L08 Indoor group address is not set Result 2 of 2 with this code and meaning. Expand for model and series details.
L09 Indoor-unit capacity is not set Result 2 of 2 with this code and meaning. Expand for model and series details.
L10 Service PCB model type is not set Result 2 of 2 with this code and meaning. Expand for model and series details.
L20 Duplicate central-control address Result 2 of 2 with this code and meaning. Expand for model and series details.
L29 Outdoor PCB MCU communication or board fault Result 2 of 2 with this code and meaning. Expand for model and series details.
L30 Outside interlock input fault Result 2 of 2 with this code and meaning. Expand for model and series details.
P01 Indoor AC fan fault or fan thermal-relay operation
P03 Discharge-temperature protection Result 2 of 2 with this code and meaning. Expand for model and series details.
P04 High-pressure switch system fault Result 2 of 2 with this code and meaning. Expand for model and series details.
P05 Three-phase power, open-phase, or supply-voltage fault Result 2 of 2 with this code and meaning. Expand for model and series details.
P07 Heat-sink overheat protection Result 2 of 2 with this code and meaning. Expand for model and series details.
P10 Indoor overflow or float-switch fault Result 2 of 2 with this code and meaning. Expand for model and series details.
P12 Indoor DC fan fault Result 2 of 2 with this code and meaning. Expand for model and series details.
P15 Gas-leak protection detected from abnormal discharge or suction temperature Result 2 of 2 with this code and meaning. Expand for model and series details.
P19 Four-way valve reverse fault Result 2 of 2 with this code and meaning. Expand for model and series details.
P20 High-pressure protection Result 2 of 2 with this code and meaning. Expand for model and series details.
P22 Outdoor fan system fault Result 2 of 2 with this code and meaning. Expand for model and series details.
P26 Compressor drive element short circuit Result 2 of 2 with this code and meaning. Expand for model and series details.
P29 Compressor position-detection circuit fault Result 4 of 4 with this code and meaning. Expand for model and series details.
P30 Indoor group follower-unit fault reported by the central controller Result 2 of 2 with this code and meaning. Expand for model and series details.
P31 Another indoor unit in the group has stopped with an error Result 2 of 2 with this code and meaning. Expand for model and series details.