Daikin FTK25JVE9 Service Manual page 93

Trouble shooting
Troubleshooting
Check No.17
Refer to P.92
84
Be sure to turn off power switch before connect or disconnect connector,
Caution or parts damage may be occurred.
Check continuity between contacts
using a tester.
Is there
continuity (with system
shut down and compressor
cool down)?
YES
Check connection of the OL
connector.
Is the connector tight?
YES
Check continuity of the OL
harness.
Is there continuity?
YES
Get the OL connector short-
circuited and turn on the outdoor
unit power.
Is the system out of trouble?
YES
Check No.17
Checking the refrigerant line
∗ Refrigerant shortage
∗ 4-way valve malfunction
∗ Water mixture
NO
NO
NO
NO
Si04-115
Replace the OL.
Reconnect the OL connector.
Correct the OL harness and/or
replace the thermal fuse.
Replace the outdoor-unit PC
board.
(R1129)
Service Diagnosis