Compressor System Sensor Abnormality - Daikin ATXS35EV1B7 Service Manual

SiBE04-824
4.16

Compressor System Sensor Abnormality

4.16.1 25/35 Class
H0
Remote
Controller
Display
Method of
Malfunction
Detection
Malfunction
Decision
Conditions
Supposed
Causes
Troubleshooting
Check the harness S30.
Turn off the power and turn it on
again.
Service Diagnosis
The system checks the DC current before the compressor starts.
If the DC current before compressor start-up is out of the range 0.5-4.5 V (sensor output
converted to voltage value) or if the DC voltage before compressor start-up is below 50 V.
PCB defective
Broken or poorly connected harness
Be sure to turn off power switch before connect or disconnect connector,
Caution
or parts damage may be occurred.
Is the harness broken?
NO
Get restarted and error
displayed again?
YES
YES
NO
Troubleshooting
Replace the harness.
No problem.
Keep on running.
Replace the PCB (2).
(R7348)
105