Daikin CTXU25G2V1B Service Manual page 106

SiBE12-908
Troubleshooting
Service Diagnosis
Be sure to turn off power switch before connect or disconnect connector,
Caution
or parts damage may be occurred.
Is the power supply
plug inserted into the
outlet or the breaker for
the power supply
breaker ON?
YES
Do the other electric
appliances work?
YES
Is the supply voltage
within the rated voltage
±10%?
YES
Does the fuse or the
temperature fuse blow?
NO
Within 3 minutes after
operation stopped?
NO
Is the wire
connection and the
wire size correct?
YES
Is the indoor unit
compatible with the
outdoor unit?
YES
Make sure that the infrared ray is
radiated from remote controller
(infrared ray checker )
Is there a sound
indicating that a signal
from the remote controller
is received?
YES
Continued to the next page
NO
NO
Power failure?
NO
Is the supply voltage
appropriate?
YES
NO
YES
YES
NO
NO
NO
Does the address of
the remote controller
match with that of the
indoor unit?
YES
Troubleshooting
Insert the power supply
plug into the outlet. Turn on
the breaker for the power
supply.
YES
Wait till the power failure
restored.
NO
Connect properly to the
power supply (check
varistor and fuse).
Ask electric power
company.
Replace the fuse or the
temperature fuse.
Standby for 3 min.
Operation will start
3 min.after.
Reconnect wires properly.
Arrange for a correct
combination.
Infrared ray checker
Part No. : 999146T
Check the batteries in the
remote controller.
NO
Match the address.
(R9681)
103