Gree GMV-120WM/B-F

GMV5 D.C INVERTER MULTI VRF SERVICE MANUAL
195
4) Variable-frequency fan drive board IPM over-temperature fault (outdoor fault H8)
No
Yes
No
H8
Check if the fault occurs
after the system is
power on.
Check if the IPM module is
screwed properly and thermal gel
is applied on the surface.
Complete
Replace the fan's drive
board.
Screw the IPM module
properly and apply thermal
gel on its surface.