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Fails to Start
Check circuit breaker
and fuse.
Check control board
Only fan fails to start.
Improper wiring.
Defect of fan motor
capacitor.
Irregular motor resistance
( ).
Irregular motor insulation
( ).
Replacement of fan motor
Regular but fails to start
Replacement of compressor
(locking of rotor, metal)
Improper thermostat setting
Loose terminal connection.
Improper wiring
Irregular motor resistance ( )
Irregular motor insulation ( )
Replacement of compressor
(Motor damaged)
Drop in power voltage.
Check capacitor.
Replacement.
Only compressor fails to
start.
Defective compressor
capacitor.
Check power source.
Check control switch
setting.
www.sylvane.com 1-800-934-9194