Daikin FLXS-BAVMB Service Manual page 94

Floor / ceiling suspended dual type ba-series
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Troubleshooting
Troubleshooting
Check No.05
Refer to P.105
Check No.06
Refer to P.106
Check No.11
Refer to P.108
83
Be sure to turn off the power switch before connecting or disconnecting
Caution
connectors, or parts may be damaged.
Four way valve coil
disconnected (loose)?
NO
Harness out of connector?
NO
Check the continuity of the four way
valve coil and harness.
Disconnect the harness from the
connector.
Resistance
between harnesses about
1000 ~ 2000 Ω?
YES
Check No. 05
Check the four way valve
switching output.
OK
Any thermistor
disconnected?
NO
Check No. 06
Check the thermistors.
OK
Check No. 11
Check the refrigerant
line.
OK
YES
YES
NO
NG
YES
NG
NG
∗ Refrigerant shortage
∗ Water mixed
∗ Stop valve
SiBE05-722_B
Correct it.
Reconnect it.
Replace the four way valve
coil.
Replace the outdoor unit
PCB.
Reconnect in position.
Replace the defective
thermistor.
Refer to the refrigerant line
check procedure.
Replace the four way valve
(defective or dust-clogged).
(R11710)
Service Diagnosis

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