Outdoor Dc Fan Motor Fault - Haier HSU24VHG(DB)-G&W Service Manual

7.3.3 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
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.
Is it normal?
YES
whether motor can
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
53
Service Diagnosis
N0
Domestic Air Conditioner