Specifications

SiBE04-624_B Troubleshooting
Service Diagnosis 99
Troubleshooting
Correct the power supply.
Replace the outdoor unit
PCB.
Check for such factors for a
long term.
∗ Try to restart a few times.
(R18130)
Caution
NO
YES
YES
NO
YES
(Precaution before turning on the power again)
NO
Replace both the fan motor
and the outdoor unit PCB.
Check the supply voltage.
Rotate the fan by hand.
Disturbance factors
∗ Noise ∗ Power supply distortion
Repeat a few
times.
Make sure the power has been off for
at least 30 seconds.
Be sure to turn off the power switch before connecting or disconnecting
connectors, or parts may be damaged.
Turn on the
power again. System
restarted?
Does the fan rotate
smoothly?
Voltage as specified?
NO
YES
Reconnect the harness.
Check the connection of the
compressor harness.
Loose or
disconnected?