Daikin FTXS30HVJU - Page 94

SiUS04-924 Troubleshooting
Service Diagnosis 87
(R7272)
Caution
Be sure to turn off the power switch before connecting or disconnecting
the connector, or parts damage may occur.
Reconnect.
Replace the four-way valve
(defective or dust-clogged).
Replace the four-way valve
coil.
Replace the outdoor unit
PCB.
Reconnect in position.
Replace a defective
thermistor.
Refer to the refrigerant line
check procedure.
Correct.
Check the continuity of the four
way valve coil and harness.
Check No. 05
Check the four-way valve
switching output.
Any thermistor
disconnected?
Check No. 06
Check the thermistors.
Check No. 11
Check the refrigerant line.
Disconnect the
harness from the
connector. Resistance between
harnesses about 1500
W?
Harness out of
connector?
Four-way valve
coil disconnected (loose)?
YES
Functioning
YES
NO
NO
NO
Functioning
Malfunctioning
NO
YES
Functioning
Malfunctioning
Malfunctioning
 Insufficient gas
 Water mixed
 Stop valve defective
YES
Troubleshooting
Check No.05
Refer to P.107
Check No.06
Refer to P.108
Check No.11
Refer to P.110