Gree GMV6 DC Inverter VRF Units Service Manual
2.130 "P6" IPM Module Protection for the Compressor Drive
Fault display: main board of outdoor unit displays
Fault diagnosis:
If the fault code displayed on the 2-digit digital LED of the outdoor unit's main control board is P6, it
indicates the IPM module protection for the compressor drive.
Possible causes:
■ Poor contact of compressor's UVW cables;
■ The compressor's UVW cables are wrongly connected;
■ The compressor is damaged;
■ The system is blocked;
■ IPM module of the compressor drive board is damaged.
Troubleshooting:
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