Troubleshooting Si10-417
88 Service Diagnosis
* Inverter checker
Part No.: 1225477
Correct the power
supply or replace the
SPM.
(Replace the outdoor
unit PCB.)
Replace the outdoor
unit PCB.
Replace the
compressor.
Any LED off?
Compressor running?
NO
YES
YES
NO
Turn off the power. Disconnect
the harnesses U, V and W.
Turn off the power and reconnect
the above harnesses. Then turn
on the power again and get the
system restarted.
A
Check with the inverter
checker (∗).
(R2848)
Si10-417.fm Page 88 Wednesday, September 22, 2004 6:38 PM
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