Midea Aircon Error Codes

Search any Midea error code below. Each entry shows what the code means, how urgent it is, and what to do next — with notes specific to Singapore installations.

Error Code Lookup

Type a code or filter by fault type. Expand any row for full details. For LED blink patterns, see the Midea diagnostic guide.

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Midea Aircon Error Codes

Error Code Lookup

E0Indoor PCB EEPROM communication error - main chip not receiving feedback from EEPROM

E1Communication error between indoor and outdoor units

E2Zero-crossing signal detection error - issue with AC power cycle detection on indoor PCB

E3Indoor fan motor speed out of control - fan speed operating outside normal range

E4Indoor room temperature sensor (T1) open circuit or short circuit

E5Indoor evaporator coil temperature sensor (T2) open circuit or short circuit

E6Communication error between indoor and outdoor units (alternate code on some Midea series)

E8Outdoor fan motor speed out of control or power phase protection fault

ECRefrigerant leakage detection - refrigerant sensor detected abnormal refrigerant level

F0Refrigerant leakage fault - insufficient refrigerant detected (alternate F-code)

F1Outdoor ambient temperature sensor (T4) open circuit or short circuit

F2Outdoor condenser coil temperature sensor (T3) open circuit or short circuit

F3Compressor discharge temperature sensor open circuit or short circuit

F4Outdoor unit EEPROM parameter error

F5Outdoor fan motor speed out of control - outdoor fan speed operating outside normal range

F6Evaporator coil outlet temperature sensor (T2B) open circuit or short circuit

P0IPM malfunction or IGBT over-strong current protection on outdoor inverter PCB

P1Over voltage or under voltage protection - mains supply voltage out of acceptable range

P2Water drainage issue - drain pan full or condensate drainage blocked

P4Inverter compressor drive error - IPM module overheating or malfunction

P5Mode conflict - indoor units in multi-split system set to conflicting modes

P6Inverter module overheat protection - outdoor inverter module temperature too high

P7Overcurrent or short circuit protection on outdoor unit power circuit

P8Outdoor EEPROM parameter error

P9Outdoor unit and indoor unit transmission error

H6Indoor fan motor malfunction - fan stopped, speed error, or locked rotor detected

nFFilter cleaning reminder - filter has reached scheduled cleaning interval

SCSelf-cleaning mode active - unit running self-cleaning cycle

LPLow ambient temperature protection active - outdoor temperature too low for normal operation