Brother PR600 - The Panel Switch Does Not Work

5 - 7
Failure Investigation
for Electronic Parts
Failure Investigation for Electronic Parts The panel switch does not work.
• The panel switch does not work,
or
• The panel's LED does not light.
Connect it properly.
N
Y
Change panel PCB.
Does the machine function normally when the
switch PCB is replaced with a reliable one?
N
Y
Is the switch PCB's lead properly
connected to connector CN8 on the
panel PCB?
Change switch PCB.