GREE Photovoltaic Direct-driven Inverter Multi VRF Units
237
Troubleshooting:
2.3.4.102 “L7” No master IDU
Error display:
IDU wired controller and IDU receive light board will display
Error judgment condition and method:
No master IDU error will happen when there is no master IDU in the system
Possible reason
■Master IDU is offline
■The mainboard of master IDU is replaced
■The mainboard of master IDU has error
To Next Page
Loading...
