Midea AC Error
Codes and Troubleshooting
Check Code
|
Diagnosis of malfunction
|
E0
|
EEPROM parameter error
|
E1
|
Indoor /outdoor units communication protection
|
E2
|
Zero-crossing signal error
|
E3
|
Fan speed out of control
|
E5
|
Open or short circuit of outdoor temperature sensor
|
E6
|
Open or short circuit of room or evaporator temperature
sensor
|
P0
|
IGBT over-strong current protection
|
P1
|
Over voltage or too under voltage protection
|
P2
|
Temperature protection of compressor top.
|
P4
|
Inverter compressor drive error
|
Midea Air Conditioner 9A Series Error Codes
Error Code: E0
Malfunction: EEPROM error
Error Code: E1
Malfunction: Indoor / outdoor units communication protection
Error Code: E2
Malfunction: Zero-crossing signal error
Error Code: E3
Malfunction: Indoor fan speed out of control
Error Code: E5
Malfunction: Outdoor unit temp. sensor or connector of temp. sensor is defective
Error Code: E6
Malfunction: Open or short circuit of room or evaporator temperature
Error Code: E7
Malfunction: Outdoor fan speed out of control
Error Code: P0
Malfunction: IBM malfunction or IGBT over-strong current protection
Error Code: P1
Malfunction: Over voltage or too under voltage protection
Error Code: P2
Malfunction: Temperature protection of compressor top.
Error Code: P4
Malfunction: Compressor position protection
Error Code: P5
Malfunction: Inverter module protection
Midea AC Outdoor Units Error Codes (Except M5OA-36HRDN1-Q Model);
Midea AC Outdoor Units Error Codes
Error Code: E0
Malfunction: EEPROM error
Error Code: E1
Malfunction: No A Indoor unit coil outlet temp. sensor or connector of sensor is defective
Error Code: E2
Malfunction: No B Indoor unit coil outlet temp. sensor or connector of sensor is defective
Error Code: E3
Malfunction: No C Indoor unit coil outlet temp. sensor or connector of sensor is defective
Error Code: E6
Malfunction: No D Indoor unit coil outlet temp. sensor or connector of sensor is defective
Error Code: E4
Malfunction: Outdoor unit temp. sensor or connector of temp. sensor is defective
Error Code: E5
Malfunction: Compressor voltage protection
Error Code: E7
Malfunction: Communication malfunction between outdoor main chip and compressor control chip
Error Code: P0
Malfunction: Temperature protection of compressor discharge or compressor top. For M4OC-36HRDN1-Q,it only means compressor discharge temp.protection.
Error Code: P1
Malfunction: High pressure protection(only for M4OC1-27HRDN1-Q, M4OC-36HRDN1-Q)
Error Code: P2
Malfunction: Low pressure protection(only for M4OC1-27HRDN1-Q, M4OC-36HRDN1-Q)
Error Code: P3
Malfunction: Compressor current protection
Error Code: P4
Malfunction: Inverter module protection
Error Code: P6
Malfunction: Condenser
high-temperature protection
