Outdoor Dc Fan Motor Fault - Haier AS12GB3HRA Service Manual

.4.4 Outdoor DC fan motor fault

Indoor Display
Outdoor display
Method of
malfunction
detection
Malfunction
detection
conditions
Supposed
causes
Troubleshooting
Check whether terminal on the outdoor
PCB is well inserted.
F8
Outdoor LED1 flash 9 times
The fan speed detected by the Hall IC during fan motor running which is used
to determine the fan motor operating
When there is no fan speed feedback signal within 2 minutes
Operation stops due to fan motor wiring disconnection
Operation stops due to wiring disconnection between PCB and indoor motor
Detection error due to faulty indoor PCB
Be sure to turn off power switch before connect or disconnect connector, or
else
parts damage may be caused
YES
Electrify the machine again
and set unit at cooling mode with
remote controller, check whether
motor run normally?
YES
NO
Reinsert the terminals
NO
Service diagnosis
Domestic air conditioner