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:
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