GREE Photovoltaic Direct-driven Inverter Multi VRF Units
256
parameter is abnormal, it will indicate this error.
Possible reason
:
■Electronic expansion valve doesn’t operate normally;
■ODU pipeline is blocked;
Troubleshooting:
2.3.4.138 “UC” Setting of master IDU is done
Error display:
ODU mainboard, IDU wired controller and IDU receive light board will
display
Er
ror judgment condition and method:
This code is status code, not an error. During commissioning, it indicates that setting of master IDU
is done.
Possible reason
:
——
Troubleshooting:
——
2.3.4.139 “UL” Compressor emergency operation DIP switch error
Error di
splay:
ODU mainboard, IDU wired controller and IDU receive light board will
display
Error judgment condition and method:
If setting of compressor emergency operation DIP switch is not within the setting range, it will
indicate this error.
Possible reason
:
——
Troubleshooting:
Reset the DIP switch according to relevant sheet.
Summary of Contents for GMV5 Series
Page 202: ...GREE Photovoltaic Direct driven Inverter Multi VRF Units 198 Troubleshooting ...
Page 253: ...GREE Photovoltaic Direct driven Inverter Multi VRF Units 249 Troubleshooting ...
Page 256: ...GREE Photovoltaic Direct driven Inverter Multi VRF Units 252 Troubleshooting ...
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 ...
Page 287: ...GREE Photovoltaic Direct driven Inverter Multi VRF Units 283 ...
Page 321: ...JF00303868 ...