Gree GMV-VQ680WM/C-X Service Manual page 173

Gree
have enab led normal over-current protection. In this case, check
whether th e fan ope rate s prop erly an d whether the ambient
temperature is no rmal a nd whe the r the power supply
"J1" Compressor 1
Over-current Protection
Power on aga in
the units based on th e capa city
and nu mb er o f indoo r u nits enable d
previou sly in the case o f
protection state
Yes
If th e h igh pressu re valu e
of the unit is still abo ve 60°C when the compre ssor
runs at the lowest fre quency, the compre ssor may
is n ormal (320V-460V)
Yes
Whether th e d rive modu le i s normal?
Yes
Is th e p rotection still occurring
afte r po we r-on?
Yes
The co mpr essor is
abn ormal
GMV6 HR DC Inverter VRF Units Service Manual
No
Yes
Replace th e compre ssor
171
Replace th e d rive modu le