Gree GMV-120WM/B-F

GMV5 D.C INVERTER MULTI VRF SERVICE MANUAL
197
7) Variable-frequency fan starting failure (ODU fault HJ)
No
No
Yes
HJ
Complete
Reconnect it
properly.
Check if the fan's UVW
cable is connected
properly.
Replace the fan's drive
board to see if the fault
is solved.
The fan is faulty and
needs to be replaced.