Daikin ARXG25E3V1B, Service Manual

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SiBE04-809 Troubleshooting
Service Diagnosis 99
4.18 Compressor System Sensor Abnormality
Remote
Controller
Display
H0
Method of
Malfunction
Detection The system checks the DC current before the compressor starts.
Malfunction
Decision
Conditions 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.
Supposed
Causes PCB defective
Broken or poorly connected harness
Troubleshooting
Caution
Be sure to turn off power switch before connect or disconnect connector,
or parts damage may be occurred.
NO
(R8310)
YES
Turn off the power and turn it on
again.
YES
NO
Replace the harness.
No problem.
Keep on running.
Replace the PCB.
Is the harness broken?
Get restarted and error
displayed again?
Check the harness S30.