Gree GMV-120WM/B-F Service Manual

GMV5 D.C INVERTER MULTI VRF SERVICE MANUAL
188
2) Faults in the IPM temperature sensor of the variable-frequency compressor's drive board (IDU
fault P7), current detection circuit (ODU fault PC), drive module reset protection (ODU fault P3) and
out-of-step protection (ODU fault P9)
3) Variable-frequency compressor over-current protection (ODU fault P5) and IPM module
protection faults (ODU fault P6)
P3, P7, P9 or PC
Check if the fault is solved after
turning on the system for three
times
The compressor's drive board
is faulty and needs to be
replaced.
Complete
No
No
Yes
Yes
No
Replace the compressor's
drive board
Connect the compressor's
UVW cable properly.
P5 or P6
Check if the IPM module is
damaged according to the
method mentioned in
Attachment 3.3.
Check if the
compressor's UVW
cable connects well.
Is the fault solved
after the
compressor's drive
board is replaced?
Complete
No
The compressor is
faulty and needs to be
replaced.

Gree GMV-120WM/B-F Specifications

General

Brand	Gree
Model	GMV-120WM/B-F
Category	Inverter
Language	English