Use and Care Manual

Troubleshooting 34
8.5 PC 08(Current overload protection)/PC 44(Outdoor unit zero speed protection) /PC
46(Compressor speed has been out of control)/PC 49(Compressor overcurrent failure)
Description: An abnormal current rise is detected by checking the specified current detection circuit.
Recommended parts to prepare:
Outdoor PCB
Connection wires
Bridge rectifier
PFC circuit or reactor
Refrigeration piping system
Pressure switch
Outdoor fan
IPM module board
Troubleshooting and repair: