GMV5 Home DC Inverter Multi VRF Units
305
5) Inverter fan overcurrent protection (ODU fault code H5), and IPM module protection
fault (ODU fault code H6)
Replace the fans drive board
Connect the fan’s UVW cables well
Check if the IPM module is damaged according to
the methods stipulated in Attachment 4.3
Check if the fans UVW cables are
well connected
Replace the fan’s drive
board to see if the fault is solved
The fan is faulty and needs
to be replaced