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Si10-417
Troubleshooting
Service Diagnosis
139
Trouble
shooting
Check the supply voltage.
Correct the power
supply.
Replace the SPM.
(Replace the outdoor
unit PCB.)
(R2854)
Supply voltage as
specified?
NO
YES
Turn on the
power again. System
restarted?
NO
Repeat a
couple of times.
YES
Disturbance factors
∗
Noise
∗
Power supply distortion
A
A
Caution
Be sure to turn off power switch before connect or
disconnect connector, or parts damage may be occurred.
(Precaution before turning on the power again)
Make sure the power has been off for
at least 30 seconds.
Check for such factors
for a long term.
∗
Try to get restarted a
couple of times.
Si10-417.fm Page 139 Wednesday, September 22, 2004 6:38 PM