Table of Contents
Advertisement
Troubleshooting
Troubleshooting
Check No.01
Refer to P.134
88
Be sure to turn off the power switch before connecting or disconnecting
Caution
connectors, or parts may be damaged.
Check the air passage.
Is there any short circuit?
NO
Check the air filter.
Dirty?
NO
Check the dust accumulation on
the indoor heat exchanger.
Dirty?
NO
Check No. 01
Check the indoor heat exchanger
thermistor.
As described in the
thermistor characteristic
chart?
YES
Is the
dehumidifying solenoid valve
still closed?
NO
YES
YES
YES
NO
YES
SiBE04-624_B
Provide sufficient air passage.
Clean the air filter.
Clean the indoor heat
exchanger.
Replace the thermistor.
Replace the indoor heat
exchanger.
(Replacement of the
solenoid valve only is
impossible.)
Replace the indoor unit PCB.
(R18120)
Service Diagnosis
Advertisement
Table of Contents
