GREE Photovoltaic Direct-driven Inverter Multi VRF Units
189
Troubleshooting:
2.3.4.49 “dA” IDU network address error
Error display:
IDU wired controller and IDU receive light board will display
Error judgment condition and method:
Through testing the IDU address chip and IP address, if address chip cannot be read, IDU IP is 0 or
IP is in conflict, report the error.
Possible reason
■ODU allocated address is wrong
■IDU treatment is wrong
■Address chip is abnormal
Troubleshooting:
2.3.4.50 “dH” wired controller circuit board error
Error display:
IDU wired controller and IDU receive light board will display
Error judgment condition and method:
Wired controller IIC communication is abnormal
Possible reason
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