GREE Photovoltaic Direct-driven Inverter Multi VRF Units
225
2.3.4.89 “J1” Compressor 1 overcurrent protection
Error display:
ODU mainboard, IDU wired controller and IDU receive light board will display
Error judgment condition and method:
Check the operation current of compressor through current sensor or circuit. When current exceeds
the limit, the unit will stop for protection.
Possible reason
■System parameters are abnormal;
■Drive module is abnormal;
■Compressor is abnormal;
Troubleshooting:
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