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Troubleshooting
SiBE12-933_A
184
Service Diagnosis
Troubleshooting
Check No.04
Refer to P.213
Check No.06
Refer to P.215
(R7136)
Check the wiring and piping.
Caution
Be sure to turn off power switch before connect or disconnect connector,
or parts damage may be occurred.
Wiring or piping out of
spec?
YES
NO
Check No. 04
Check the electronic expansion
valve.
Normal?
Check No. 06
Check the outdoor unit heat
exchanger thermistor.
Thermistor as
specified in its
characteristic chart?
Check No. 06
Check the room temperature
thermistor.
Thermistor as
specified in its
characteristic chart?
Change the gas to let moisture out
of the unit (after drawing a
vacuum).
Error again?
YES
NO
NO
NO
YES
YES
YES
NO
Correct the wiring or piping
error.
Replace the defective
electronic expansion valve or
coil.
Replace the heat exchanger
thermistor.
Replace the room
temperature thermistor.
Replace the room
temperature thermistor or
indoor unit heat exchanger
thermistor.
Do the vacuum-drying.
Replace the indoor unit PCB.