Sinclair AMC-12AN, Service Manual

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10.3.3 Motor failure (including upper motor and lower motor)
Main test point:
ƽ
If the motor does not rotate.
Check the flow process of failure is:
Turn on the unit
Motor does
not rotate
If the connection
line is tight.
Replace control
board
Adjust
connection
Failure is
cancelled
Failure is
cancelled
Replace
control
board
Replace motor
Failure is
cancelled
End