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SiBE041010EA
Troubleshooting
Service Diagnosis
60
Troubleshooting
Correct the power supply.
Replace the outdoor
unit PCB.
Check for such factors for a
long term.
∗
Try to restart a few times.
(R19100)
Caution
Be sure to turn off the power switch before connecting or disconnecting
connectors, or parts may be damaged.
NO
NO
YES
YES
NO
YES
YES
Reconnect the harness.
Check the power supply voltage.
Check the connection of the
compressor harness.
Disturbance factors
∗
Noise
∗
Power supply distortion
Repeat a few
times.
(Precaution before turning on the power again)
Make sure the power has been off for at
least 30 seconds.
Turn on the
power again. System
restarted?
Loose or
disconnected?
Is the
voltage fluctuation
within ±10% from the
rated value?
NO
Replace both the fan motor
and the outdoor unit PCB.
Rotate
the outdoor fan by
hand. Does the outdoor fan
rotate smoothly?