GREE DC INVERTER HEAT PUMP CONDENSING UNIT SERVICE MANUAL
47
3.4.20 “Lc” Compressor startup failure
Error display:
ODU mainboard LED displayer
Error judgment condition and method:
Check the error code on nixie tube of ODU main control board. If PJ is displayed, it indicates
inverter compressor startup failure.
Possible reason:
■Poor contact of compressor UVW wire.
■Compressor is broken.
■Compressor drive board is broken.
Troubleshooting
：
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