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7.3.12 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
Causes
Troubleshooting
* Caution Be sure to turn off power switch before connect or disconnect connector, or
Electrify the machine again and
turn
controller,If
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. If the voltage is too low
or too high
HSM18HEKC/HRAC03/R2(DB) HUM18HC03/R2(DB) -SM
Faulty IPM Module
Faulty compressor
Faulty power supply
parts damage may be occurred.
it
on
with
the
remote
malfunctions
No
are
Yes
67
Servive Diagnosis
Yes
IPM Module is damaged
and needs replacing.
Repair the power supply
Domestic Air Conditioner
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