Brother CE-5500PRW Service Manual page 172

Failure Investigation
for Electronic Parts
Is the presser lever down?
Is the resistance value of the PF switch assy. normal?
• Switch pressed : 1Ω or less
• Switch released : more than 1MΩ
(In case of abnormal, when press the start/stop button or press
down the foot controller, "E1" is displayed.)
Replace the main PCB assy.
Replace the power supply PCB assy.
Replace the main motor.
Main motor does not rotate
From previous page
Y
Y
or
or
N
Lower the presser lever.
N
Replace the PF switch assy.
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