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Outdoor unit LEDIndoor unit LED

Green

Keeps flashing

Red Green

Stays OFF

1 time flash

Red

Wiring is open or reversal phase (FDCA 301~601 type)

Abnormal current cut of compressor (FDCA 301~601 type)

52C secondary side L3-phase wiring is open. (FDCA 301~601 type)

Discharge temperature abnormality.

Discharge pipe thermistor failure

63H1 operation (FDCA 301~601 type)

Outdoor air temperature thermistor failure

Inverter Over-voltage Trouble. (FDCVA 151~251 type)

DC fan motor abnormal. (FDCVA 151~251 type)

Remote

controller

error code

E32

E33

E34

E36

E37

E38

E39

E40

E47

E48

Cause

Keeps flashing Keeps flashing

Stays OFF 1 time flash

E35

Keeps flashing

Stays OFF 1 time flash

Current (Abnormalities in a compressor over current)

E42

Keeps flashing Keeps flashing

Stays OFF Lights contiously

52C abnormal. (FDCA 301~601 type)

E52

Keeps flashing

Stays OFF 1 time flash

Power transistor thermistor is faulty or disconnection or connector

connections are poor. (FDCVA 151~251 type)

E56

Keeps flashing

Stays OFF 1 time flash

Insufficient refrigerant.

E57

1 time flash

Keeps flashing

Stays OFF 2 time flash

Compressor startup error (FDCVA 151~251 type)

E59

3 time flash

Keeps flashing

Stays OFF 1 time flash

Compressor loader position detection error. (FDCVA 151~251 type)

E60

Outdoor unit heat exchanger thermistor

failure

Outdoor heat exchanger temperature is high or outdoor heat exchanger thermistor

is faulty.

Inverter primary side current is abnormal. (FDCVA151~251 type)

2) Outdoor unit side

Note (1) The green LED in the outdoor unit is used in the FDCA301 ~ 601 models only.