GREE Photovoltaic Direct-driven Inverter Multi VRF Units
179
Troubleshooting:
2.3.4.30 “C4” IDU missing error
Error display:
ODU mainboard, IDU wired controller and IDU receive light board will
display
Error judgment condition and method:
If ODU hasn’t received inverter fan drive board data in continuous 30s, report the error.
Possible reason
:
■Communication wire is in poor connection
■Power supply of IDU is cut off
■IDU mainb
oard is abnormal
Summary of Contents for GMV5 Series
Page 202: ...GREE Photovoltaic Direct driven Inverter Multi VRF Units 198 Troubleshooting ...
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Page 262: ...GREE Photovoltaic Direct driven Inverter Multi VRF Units 258 Troubleshooting ...
Page 274: ...GREE Photovoltaic Direct driven Inverter Multi VRF Units 270 2 Check oil balancer ...
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