Midea M4OC-36HRDN1-M - Troubleshooting; Indoor Unit Error Codes; Outdoor Unit Error Codes

9. Troubleshooting
9.1 Indoor unit error code explanation:
Vertu series & 9A series:
Display LED STATUS
E0 EEPROM parameter error
E1 Communication malfunction between indoor and outdoor units
E2 Zero-crossing signal error
E3 Indoor fan speed out of control
E5
Open or short circuit of outdoor temperature sensor
E6
Open or short circuit of room or evaporator coil temperature sensor
P0 Inverter module protection
P1 Over voltage or too low voltage protection
P2 Temperature protection of compressor top.
P3 Outdoor temp. too low protection
P4 Inverter compressor drive error
9.2 Outdoor unit error code explanation:
Display LED STATUS
E0 EEPROM parameter error
E1 No 1 Indoor units pipe temp. sensor or connector of pipe temp. sensor is defective
E2 No 2 Indoor units pipe temp. sensor or connector of pipe temp. sensor is defective
E3 No 3 Indoor units pipe temp. sensor or connector of pipe temp. sensor is defective
E6 No 4 Indoor units pipe temp. sensor or connector of pipe temp. sensor is defective
E4 Open or short circuit of outdoor temperature sensor
E5 Compressor volt protection
E7 Communication error between outdoor IC and DSP
P0 Temperature protection of compressor top.
P1 High pressure protection (just for 36K 1x4 units.)
P2 Low pressure protection (just for 36K 1x4 units.)
P3 Compressor current protection
P4 Inverter module protection
P5 Outdoor temp. too low protection
P6 Condenser high-temperature protection
P7 Compressor driving protection
PF PFC protection (just for 36K 1x4 units.)