Outdoor Dc Fan Motor Fault - Haier HSU09 VHG(DB)-G&W Service Manual

7.4.4 Outdoor DC fan motor fault

Check whether Terminal on the outdoor
mainboard is well inserted.
Electrify the machine again and turn it
on in the Cool state with the remote
controller. check whether motor can
run
Measure the voltage between 3 and 6 of
the terminal about 0-5v.
the motor of the outdoor unit is damaged and
needs replacing.
HSU09VHG(DB)-SM
Is it normal?
Yes
Yes
Is it normal?
N0
NO
Reinsert the terminals
NO
Measure the voltage between 1 and 3 of the terminal of
fan motor on the mainboard about DC310V,Measure the
voltage between 3 and 4 of the terminal about DC15V.
Measure the voltage between 5 and 3 of the terminal
about 1-6v.
Yes
Is it normal?
Yes
The mainboard of the outdoor unit is
damaged and needs replacing
54
Service Diagnosis
N0
Domestic Air Conditioner