GREE Duct type split Air conditioner Inverter Series
110
Troubleshooting:
“PL” low voltage
protection for driven DC
bus bar of compressor
Driven board of
compressor is faulted
Yes
Check if the voltage of input
power cord is less than 320V?
No
Replace driven board of
compressor
Yes
Adjust the voltage as
Rated voltage
(54) “PJ” failure startup for inverter compressor
Error display:ODU mainboard displays .
Applicable model: all models.
Condition and method for fault judgement:View the error code displayed in dual-8 nixie tube of
main control board of ODU, if the nixie tube displays PJ, it means failure startup for inverter compressor.
Possible causes:
1) Poor contact of compressor UVW wires.
2) Compressor is damaged.
3) Driven board of compressor is faulted.
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