Service diagnosis
37 Domestic air conditioner
10.3.6 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
Malfun
ction
Detection
Malfun
ction when the IPM Module is damaged
●
Decision or the compressor is damaged
●
.
Conditions power supply voltage is too low or too high
S
upposed ■
●
Faulty IPM Module
Causes ■
Faulty compressor
■
Faulty power supply
T
roubleshooting
* Caution
Be sure to turn off power switch before connect or disconnect connector, or parts
damag
e 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
supply is too low or too high
NO
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