SiEBE12-625 Troubleshooting
Service Diagnosis 203
Troubleshooting
Check No.06
Refer to P.242
Note: If the outside temperature is below –10°C in the cooling mode, the system may get interrupted
with error A5 displayed. The system will be reset itself, but this stop will be put in the error history
memory.
Check the air filter.
Check the intake air filter.
Is there any
short-circuit?
Does it conform to
the thermistor characteristic
chart?
Is it very dirty?
Is it very dirty?
Check the dust accumulation on
the indoor unit heat exchanger.
YES
YES
YES
YES
NO
NO
NO
NO
Be sure to turn off power switch before connect or disconnect connector,
or parts damage may be occurred.
Caution
Provide sufficient air passage.
Clean the air filter.
Replace the indoor unit PCB.
Clean the heat exchanger.
Replace the thermistor
(replace the indoor unit PCB).
Check No. 06
Indoor unit heat exchanger
thermistor check
(R4695)
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