3-62
Check code
Operation cause
[1d]
Compressor alarm
1. Outdoor unit power supply error
2. Inverter compressor circuit system error
3. Inverter compressor error
4. Inverter compressor refrigerant stagnation
5. Defective IPDU P.C. board
YES
NO
YES
YES
NO
NO
YES
NO
YES
NO
YES
NO
YES
NO
Modify refrigerant stagnation in
compressor case, and start the
operation.
Modify power supply line.
Modify connector of wiring.
Modify cause of overload.
Inverter compressor error
Is power supply voltage
of outdoor unit normal?
Does voltage reduction occur
when fixed-speed compressor
has been activated?
Is connection of
wiring on IPDU
P.C. board normal?
Is there an abnormal overload?
Is inverter compressor normal?
Is there refrigerant stagnation
in compressor case?
Check IPDU P.C. board.
Check IPDU P.C. board.
Is
inverter winding
output normal?
