Incompatible Power Supply Between Indoor Unit And Outdoor Unit - Daikin CTXU25G2V1B Service Manual

Troubleshooting
2.13 Incompatible Power Supply between Indoor Unit and
Outdoor Unit
UA
Remote
Controller Display
Method of Check the incompatible power supply between indoor unit and outdoor unit by using signal
transmission.
Malfunction
Detection
Method of In case that the indoor intake model is connected to outdoor intake model.
Malfunction
Detection
Supposed
Causes
Troubleshooting
129
Connected to wrong model
Mounted improper indoor unit PCB
Defective indoor unit PCB
Mounted improper outdoor unit PCB or defective PCB
Be sure to turn off power switch before connect or disconnect connector,
Caution or parts damage may be occurred.
Check model names of the indoor
unit and the outdoor unit
Is the combination of
the indoor unit and
the outdoor unit
correct?
YES
NO
SiBE12-908
Arrange for a correct
combination.
Replace the indoor control
PCB (A1P) (or replace the
outdoor unit PCB).
(R9436)
Service Diagnosis