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Haier AS25RBAHRA-PL - Communication Fault Between IPM and Outdoor PCB

Haier AS25RBAHRA-PL
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Service Diagnosis
37
10.4.6 Over-current of the compressor
Outdoor Display
F22, F2, F23 LED1 flash 3 or 24 or 25 times
The current of the compressor is too high
When the IPM Module is damaged or the compressor is damaged.
Power supply voltage is too low or too high
Faulty IPM Module
Faulty compressor
Faulty power supply
* Caution
:
Be sure to turn off power switch before connect or disconnect connector,
or parts damage may be occurred.
Malfunction
Decision
Conditions
Method of
Malfunction
Detection
Trouble
shooting
Supposed
Causes
The system may have been over or
under charged with gas, which can be
judged through the pressure of the
measuring system.
Repair the power
supply
IPM Module is damaged
and needs replace.
Electrify the machine again and turn it on
with the remote control. If malfunctions
are reported before or upon the
compressor being started up,
The compressor is started normally, but
malfunctions are reported after it has run
for some time. Check the power supply is
too low or too high
NO
YES
YES
NO

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