Compressor Sensor System Abnormality - Daikin CTXU25G2V1B Service Manual

Troubleshooting

2.23 Compressor Sensor System Abnormality

H0
Remote
Controller Display
Method of Fault condition is identified by DC current which is detected before compressor startup.
Malfunction
Detection
Malfunction
Decision
Conditions
Supposed
Causes
Troubleshooting
Replace the outdoor unit PCB.
141
When the DC voltage is 50 V or less.
Defective PCB
Harness disconnection / defective connection
Be sure to turn off power switch before connect or disconnect connector,
or parts damage may be occurred.
Caution
SiBE12-908
Service Diagnosis