Troubleshooting
Si10-417
86
Service Diagnosis
Note:
If the model doesn’t have SPM, replace the outdoor unit
PCB.
* 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
(R3042)
Check with the inverter
checker (
∗
).
Si10-417.fm Page 86 Wednesday, September 22, 2004 6:38 PM
