Sanyo SAP-KRV9AEH - 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 >
Finish
Replace parts of
outdoor electric box.
Adjust
connecting
wire.
Is fan well
connected ?
Remove
stuff.
Yes
No
No
No No No
No
Yes
Yes
Yes
Yes
No
No
Yes
Yes
Is the stop time
of compressor more
than 3 min ?
Replace compressor.
Remove error ?
Is wire of
compressor well
connected ?
Losing synchronism upon
start-up of the unit.
Finish
Replace parts of
outdoor electric box.
Yes
Replace compressor.
Remove error ?
Replace parts of
outdoor electric box.
Replace outdoor fan.
Remove error ?
Is outdoor fan
normal ?
Is outdoor fan
blocked by stuff ?
Connection reliable ?
Losing synchronism
during running.
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