Haier 1U25YEPFRA-H Service Manual page 40

10.4.6 Over-current of the compressor
Outdoor Display
F22, F2, F23 LED1 flash 3 or 24 or 25 times
Method of
The current of the compressor is too high
Malfunction
Detection
Malfunction
When the IPM Module is damaged or the compressor is damaged.
Decision
Conditions
Power supply voltage is too low or too high
Supposed
■ Faulty IPM Module
Causes
■ Faulty compressor
■ Faulty power supply
Trouble
* Caution:
shooting
or parts damage may be occurred.
Electrify the machine again and turn it on
with the remote control. If malfunctions
are reported
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
The system may have been over or
under charged with gas, which can be
judged through the pressure of the
measuring system.
Be sure to turn off power switch before connect or disconnect connector,
before or upon
NO
NO
YES
the
YES
40
Service Diagnosis
IPM Module is damaged
and needs replace.
Repair the power
supply