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Electrify the machine again and turn it on
with the remote controller, If malfunctions
are reported before or upon the compressor
being started up,
NO
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
The system may have been over or under
charged with gas, which can be judged through
the pressure of the measuring system.
NO
36
YES
IPM Module is damaged and
needs replacing.
Yes
Repair the power supply
Domestic air conditioner
Service diagnosis
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