Service Diagnosis
56
Domestic Air Conditioner
7.4.6 Over-current of the compressor
Outdoor Display 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
Decision or the compressor is damaged
Conditions power supply. voltage is too low or too high
Supposed ■ Faulty IPM Module
Causes ■ Faulty compressor
■ Faulty power supply
Troubleshooting
* Caution
Be sure to turn off power switch before connect or disconnect connector, or
parts damage may be occurred.
Electrify the machine again and turn it on
with the remote controller,If malfunctions
are reported before or upon the compresso
being started up,
IPM Module is damaged and
needs replacing.
Repair the power supply
the system may have been over or under charged
with gas, which can be judged through the
pressure of the measuring system.
YES
NO
Yes
NO
The compressor is started normally, but
malfunctions are reported after it has
run for some time. Check the powe
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