Brother PR655 - USB Function and USB Media Cannot be Used Normally

Failure Investigation
for Electronic Parts
Failure Investigation for Electronic Parts
Failure Investigation
for Electronic Parts
5 - 19
USB function and USB media cannot be used normally.
USB function cannot be used normally.
Connect it properly.
N
Y
Is the USB cable properly connected
to both the personal computer and
the sewing machine?
Change the USB cable.
Y
N
Does the machine function normally
when the USB cable is replaced with
a reliable one?
Change the panel PCB.
Connect it properly.
N
Y
Is the USB media firmly connected?
Replace the USB media.
Y
N
When the USB media is replaced with
a new one, dose it work correctly?
Change the panel PCB.
USB media cannot be used normally.