INVENTOR CEVI-09, Service Manual

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44
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Troubleshooting
(4) Malfunction diagnosis of startup failure
Main detection points:
z
Is wiring of compressor correct ˛
z
Is the stop time of compressor enough?
z
Is compressor damaged?
Malfunction diagnosis process:
Energize the
unit and start it
Is the stop time
of compressor more
than 3min£¿
Start it 3 min later
Startup failure?
Is compressor wire connected correctly?
Connect it according
to line chart
Replace parts if outdoor
electric box
Remove the error?
Replace
compressor
finish
(5) Diagnosis of losing synchronism for compressor
Main detection points:
z
Is pressure of the system too high?
z
Is voltage too low?
Malfunction diagnosis process: