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Troubleshooting
A
DISPLAY
EXPLANATION (The error indicated on the PCB display of outdoor unit)
EvaOut1 Sensor Short/Open
EvaOut2 Sensor Short/Open
EvaOut3 Sensor Short/Open
EvaOut4 Sensor Short/Open
Outdoor unit freezing(Compressor stop)
Outdoor unit overload - Safety control(Compressor stop)
Outdoor unit high discharge temperature - Safety control (Compressor stop)
Outdoor unit EEV open (Stopped indoor unit's) -Self diagnosis
Outdoor unit EEV close (operating indoor unit's) -Self diagnosis
or High pressure blocking control
High temperature(over 30°C) of outdoor as heating mode
Low temperature(under -10°C) of outdoor as cooling mode
Outdoor Fan Error
Communication cable mismatched between indoor and outdoor unit
Inverter compressor starting failure (5 times)
Compressor trip by input current control mode (PFC over current)
Compressor trip by OLP temperature control mode
Over current
Compressor Vlimit Error
DC link Voltage error (under 150V, over 410V)
Abnormal compressor running (Compressor Rotation Error)
Current sensor error
DC link Voltage sensor error
Outdoor unit EEPROM Error
Inverter micom zero-crossing error
Over voltage Error
EEPROM Option data communication error (MainMicom
24
check pipe lenght, indoor unit filter,
refrigerant leakage/charge and
service port
check pipe lenght, refrigerant
leakage/charge
check pipe lenght, refrigerant
leakage/charge
Check electrical connection
InvMicom)
REMARK
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