Daikin CTXU25G2V1B Service Manual page 158

Troubleshooting
Troubleshooting
Check No.02
Refer to P.169
P4
J3
J6
J8
J9
H9
147
Be sure to turn off power switch before connect or disconnect connector,
Caution or parts damage may be occurred.
Turn on the power supply again
Does the remote
controller display
the error code
again?
YES
Check No.02
Thermistor resistance check
Is it OK?
YES
Check No.02
Thermistor resistance check
Is it OK?
YES
: Radiation fin thermistor
: Discharge pipe thermistor
: Outdoor heat exchanger thermistor
: Liquid pipe thermistor
: Gas pipe thermistor
: Outdoor air thermistor
NO
Reconnect properly.
NO
Replace the thermistor.
NO
Replace the thermistor.
Replace the outdoor unit
PCB.
SiBE12-908
(R9446)
Service Diagnosis