Haier AS25THMHRA-C Service Manual page 377

Check whether Terminal on the outdoor
mainboard is well inserted.
it is normal
YES
Electrify the machine again and turn it on in
the Cool state with the remote controller.
check whether the motor could run.
NO
R emove fan motor a f t e r s witch off
the power.Measure the resistances
between black line(0V) and red
line( 310V),between black line(0V)
a n d wh i t e li n e ( 1 5 V ) of the fan
motor .
The resistances are
greater than 40KΩ
NO
The motor of the outdoor unit is
damaged and needs replacing.
NO Reinsert the terminals
YES
the resistances between 0V
YES
and 310V,between 0V and 15V of
the fan terminal of outdoor pcb are
greater than 10MΩ.
NO
The outdoor pcb is
damaged, replace it
with a new one.
35
Service diagnosis
The motor and
outdoor pcb are
well
YES
Domestic air conditioner
The module pcb is
damaged, replace it
with a new one.