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10.1 Indoor Unit Error Display
Display LED STATUS
E0/EA Indoor unit EEPROM parameter error
E1 Indoor / outdoor units communication error
E3 Indoor fan speed is operating outside of the normal range
E4 Indoor room temperature sensor T1 open circuit or short circuit
E5 Evaporator coil temperature sensor T2 open circuit or short circuit
EC Refrigerant leakage detection
Eb
Communication error between the indoor PCB and display board
F0 Overload current protection
F1 Outdoor ambient temperature sensor T4 open circuit or short circuit
F2 Condenser coil temperature sensor T3 open circuit or short circuit
F3 Compressor discharge temperature sensor T5 open circuit or short circuit
F4 Outdoor unit EEPROM parameter error
F5
Outdoor fan spe
ed is operating outside of the normal range
P0 IPM malfunction or IGBT over-strong current protection
P1 Over or low voltage protection
P2 High temperature protection of IPM module
P4 Inverter compressor drive error
Trouble shooting:
Use the remote controller. If the unit does not respond to the remote, the indoor PCB needs to be
replaced; if the unit does respond, then the display board needs to be replaced.
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