Gree GMV-280WM/E-X - Page 227

GREE GMV5E DC INVERTER VRF UNITS SERVICE MANUAL
223
Troubleshooting:
2.2.4.123 “P6” Inverter compressor IPM protection
Error display:
ODU mainboard will display
Error judgment condition and method:
Check the error code on nixie tube of ODU main control board. If P6 is displayed, it indicates
inverter compressor overcurrent protection
Possible reason：
■Poor contact of compressor UVW wire;