Gree GMV-1015WM/G-U, Руководство по обслуживанию

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Gree GMV6 DC Inverter VRF Units Service Manual
158
2.114 "J6" Compressor 6 Over-current Protection
Fault display: main board of outdoor unit, wired controller of indoor unit and receiver of indoor unit
display
Fault diagnosis:
When the operating current of the compressor detected by the current sensor or circuit exceeds the
limit, the unit will stop working.
Possible causes:
■ The unit's parameters are abnormal;
■ The drive module is abnormal;
■ The compressor is abnormal.
Troubleshooting:
“
J6
”
Compressor 6
overcurrent protection
Compressor is abnormal
Yes
Yes
Compressor is abnormal
No
Replace drive module
If compressor operates to the lowest frequency
while system high pressure is still higher than 60
℃
, the compressor
may occur normal overcurrent protection. In this case, please check if the fan
operates normally, if ambient temperature range is normal and if power
supply is normal
(200V~430V or 360V~780V(for 460V-voltege))
Turn on the units again
according to the IDU capacity and quantity
when this protection happened
Confirm if drive module is normal
Yes
Yes
Turn on the unit again to check if the
protection still happens
Yes