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ERROR AND OPERATING CODES
Error Code Description
EH 00 Indoor unit EEPROM parameter error
EL 01 Indoor / outdoor unit communication error
EL 16 Communication malfunction between adapter board and outdoor main board
EH 03 The indoor fan speed is operating outside of the normal range(for some models)
EH 60 Indoor room temperature sensor T1 is in open circuit or has short circuited
EH 61 Evaporator coil temperature sensor T2 is in open circuit or has short circuited
EH 62 Evaporator coil temperature sensor T2B is in open circuit or has short circuited
EH 65 Evaporator coil temperature sensor T2A is in open circuit or has short circuited
EL 0C Refrigerant Leakage Detection(for some models)
EH 0b Communication error between indoor two chips
EH 0E Water-level alarm malfunction
EC 53 Outdoor room temperature sensor T4 is in open circuit or has short circuited
EC 52 Condenser coil temperature sensor T3 is in open circuit or has short circuited
EC 54 Compressor discharge temperature sensor TP is in open circuit or has short circuited
EC 56
Evaporator coil outlet temperature sensor T2B is in open circuit or has short
circuited(for freematch indoor units)
EC 51 Outdoor unit EEPROM parameter error
EC 07 The outdoor fan speed is operating outside of the normal range(for some models)
PC 00 IPM malfunction or IGBT over-strong current protection
PC 01 Over voltage or over low voltage protection
PC 02
Top temperature protection of compressor or High temperature protection of IPM
module
PC 03 Low pressure protection (for some models)
PC 04 Inverter compressor drive error
EC 0d Outdoor unit malfunction
PC 0L Low ambient temperature protection
FL 09 Mismatch between the new and old platforms
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