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Errors and faults
Fault
Bobbin thread monitor
doesn't react
Error during firmware update
Beads and/or bartacks are
repeatedly not sewn properly
176
Cause
Settings in the Setup Program.
The bobbin thread indicator is
defect.
USB stick is not recognized.
The update process is blocked
and the hourglass on the display
is inactive.
Firmware update files are not
found.
The Buttonhole foot with
slide #3A is not calibrated with
the machine.
Solution
> Activate it in the Setup Program.
> Contact a specialized BERNINA dealer.
> Using the BERNINA USB stick.
> Remove the USB stick.
> Switch off the machine.
> Switch the machine on.
> Follow the instruction on the display.
> Unzip the update data.
> Store data for the firmware update directly on the data
medium and not in a folder on the USB stick.
> Calibrate Buttonhole foot with slide #3A. (see page 62)
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