Sanyo SAP-KRV9AEH Service Manual page 41

8-4-5. Diagnosis of losing synchronism for compressor
< Main Detection Points >
Is pressure of the system too high ?
•
Is voltage too low ?
•
< Malfunction Diagnosis Process >
Losing synchronism upon
start-up of the unit.
Is the stop time
No
of compressor more
than 3 min ?
compressor well
connected ?
No
Adjust
Replace parts of
connecting
outdoor electric box.
wire.
Yes
Remove error ?
Replace compressor.
Yes
Is wire of
Yes
No
Finish
Losing synchronism
during running.
Is outdoor fan
No
normal ?
Yes
Yes
Is outdoor fan
blocked by stuff ?
No
Replace parts of
outdoor electric box.
Remove error ?
Yes
No
Replace compressor.
Finish
41
Is fan well
connected ?
No
Remove
Connection reliable ?
stuff.
Replace parts of
outdoor electric box.
Yes
Remove error ?
Replace outdoor fan.
Yes
No