Compressor Overcurrent Protection; Abnormal Overcurrent Error; Current Protection - Gree GMV series Service Manual

Dc Inverter VRF plus Water Heater Solution Service Manual

2.4 Compressor overcurrent protection

Upon AC inverter startup overcurrent, the indicator will display the current protection.

Abnormal overcurrent error

Yes
If the compressor
wiring is correct
Yes
If the current value is
higher than the preset
value of protector
Yes
If the high voltage
of unit is normal
Yes
If the voltage is
normal
Yes
The communication resumes to normal

Current protection

Yes
If the voltage is
normal
Yes
Remove the
compressor cables
and restart
Yes
If overcurrent
protection
Yes
Module damaged. Replace
the module
No
Adjust the compressor wiring
No
Replace the overcurrent protector
No
Refer to high voltage protection
No
Contact the power supply company
No
Adjust the power parameters
No
Replace the compressor
Note: For DC VRF unit, it is not allowed to test
with compressor cable removed.
SERVICING
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