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Error code list
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Error Information
EH 00/EH 0A Indoor unit EEPROM parameter error
Indoor / outdoor unit communication error
EL 01
Zero-crossing signal detection error
EH 02
Over low voltage protection of indoor external fan
EH 30
Over voltage protection of indoor external fan
EH 31
The indoor fan speed is operating outside of the normal range
EH 03
Outdoor unit EEPROM parameter error
EC 51
Condenser coil temperature sensor T3 is in open circuit or has short circuited
EC 52
Outdoor room temperature sensor T4 is in open circuit or has short circuited
EC 53
Compressor discharge temperature sensor TP is in open circuit or has short circuited
EC 54
Evaporator coil outlet temperature sensor T2B is in open circuit or has short circuited
EC 56
Indoor room temperature sensor T1 is in open circuit or has short circuited
Eh 60
Evaporator coil temperature sensor T2 is in open circuit or has short circuited
Eh 61
The outdoor fan speed is operating outside of the normal range(
EC 07
Indoor PCB/Display board communication error
EH 0
Refrigerant leak detected
EL 0C
IPM malfunction or IGBT over-strong current protection
PC 00
Over low voltage protection
PC 10
Over voltage protection
PC 11
DC voltage protection
PC 12
Compressor top high temperature protection (OLP)
PC 02
Pressure protection
PC 03
Communication error between outdoor main chip and compressor driven chip
PC 40
Current Input detection protection
Pc 41
Compressor start error
PC 42
Lack of phase (3 phase) protection
PC 43
No speed protection
PC 44
341PWM error
PC 45
Compressor speed malfunction
PC 46
Compressor over current protection
PC 49
Indoor units mode conflict (match with multi outdoor unit)
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Condenser high temperature protection
PC 0A
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