Troubleshooting SiBE04-809
94 Service Diagnosis
Troubleshooting
Check No.05
Refer to P.117
Check No.06
Refer to P.118
Check No.11
Refer to P.121
Malfunctioning
Functioning
NO
Functioning
Malfunctioning
Functioning
YES
Malfunctioning
Correct.
Reconnect.
YES
YES
YES
NO
NO
Replace the four way valve
coil.
NO
Replace the outdoor unit
PCB.
Insufficient gas
Water mixed
Stop valve defective
Replace a defective
thermistor.
Refer to the refrigerant line
check procedure.
Replace the four way valve
(defective or dust-clogged).
Reconnect in position.
Caution
Be sure to turn off power switch before connect or disconnect connector,
or parts damage may be occurred.
(R8326)
Four way valve coil
disconnected (loose)?
Harness out of connector?
Any thermistor
disconnected?
Check No. 06
Check the thermistors.
Check No. 11
Check the refrigerant
line.
Check No. 05
Check the four way valve
switching output.
Disconnect
the harness from
the connector.
Resistance between
harnesses about
3Ω±0.5Ω?
Check the continuity of the four way
valve coil and harness.
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