Daikin CTXU25G2V1B Service Manual page 136

SiBE12-908
Troubleshooting
Check No.02
Refer to P.162
Check No.03
Refer to P.163
Check No.05
Refer to P.163
Check No.16
Refer to P.168
Check No.17
Refer to P.169
Service Diagnosis
Be sure to turn off power switch before connect or disconnect connector,
Caution or parts damage may be occurred.
Check installation space
Check No. 03
Installation condition
check
OK
Check No. 05
Outdoor fan system
check
OK
Check No. 16
Discharge pressure check
Judge
OK
Check No. 17
Electronic expansion valve check
Judge
OK
Check No. 02
Heat exchanger thermistor check
Judge
OK
NG
NG
NG
NG
NG
Troubleshooting
Change the position of air
discharge grille.
Change installation position.
Clean the heat exchanger.
Replace the fan motor.
Rectify connector and fan motor
lead wire.
Replace the stop valve.
Replace the main body or coil
of the electronic expansion
valve.
Replace the outdoor unit PCB.
Replace the outdoor heat
exchanger thermistor.
Replace the outdoor unit PCB.
(R9852)
133