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Troubleshooting
SiBE12-933_A
176
Service Diagnosis
Troubleshooting
Check No.06
Refer to P.215
(R7131)
Check the air passage.
Caution
Be sure to turn off power switch before connect or disconnect connector,
or parts damage may be occurred.
Is there any short-circuit?
YES
NO
YES
Check the intake air filter.
Is it very dirty?
NO
Check the dust accumulation on
the indoor unit heat exchanger.
Is it very dirty?
YES
NO
Indoor unit heat exchanger
thermistor check
Check No. 06
Does it conform to
the thermistor
characteristic chart?
NO
YES
Provide sufficient air passage.
Clean the air filter.
Clean the heat exchanger.
Replace the indoor unit PCB.
Replace the thermistor
(replace the indoor unit PCB).