8-4-4. Malfunction diagnosis of start-up failure
< Main Detection Points >
• Is wiring of compressor correct ?
• Is the stop time of compressor enough ?
• Is compressor damaged ?
< Malfunction Diagnosis Process >
Energize the unit and
start it.
Finish
Replace parts if outdoor
electric box is defective.
Yes
Yes
Yes
Yes
Is the stop time
of compressor more
than 3 min ?
Start-up failure ?
Replace compressor.
Remove the error ?
Start it 3 min later.
No
No
No
Is compressor
wire connected
correctly ?
Connect it according to
line chart.
No
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