66
M2OA-18HFN1-M, M2OI-18HFN1-M, M3OJ-27HFN1-M, M3OI-28HFN1-M, M4OG-36HFN1-M,
M4OI-36HFN1-M, M5OG-48HFN1-M
Outdoor EEPROM malfunction
Indoor / outdoor units communication error
Communication malfunction between IPM board and outdoor main board
Outdoor overcurrent protection
Outdoor unit low AC voltage protection
Outdoor unit main control board DC bus high voltage protection
Outdoor unit main control board DC bus high voltage protection /341 MCE error
Over current failure of outdoor DC fan motor
Lack phase failure of outdoor DC fan motor
Outdoor fan speed has been out of control
Outdoor compressor lack phase protection
Outdoor unit zero speed protection
Outdoor unit IR chip drive failure
Compressor speed has been out of control
Compressor overcurrent failure
High pressure protection (For M4OB-36HFN8-Q, M5OD-42HFN8-Q, M5OE-42HFN8-Q)
Low pressure protection (For M4OB-36HFN8-Q, M5OD-42HFN8-Q, M5OE-42HFN8-Q)
High temperature protection of condenser
Temperature protection of compressor discharge
Low ambient temperature protection
Top temperature protection of compressor
Condenser coil temperature sensor T3 is in open circuit or has short circuited
Outdoor room temperature sensor T4 is in open circuit or has short circuited
Compressor discharge temperature sensor TP is in open circuit or has short circuited
Evaporator coil outlet temperature sensor T2B is in open circuit or has short circuited
Open or short circuit of outdoor unit temperature sensor(T3,T4.T5)