Bernina 790 PRO Manual page 185

Message on the Display
The recovery of personal data has
failed.
No BERNINA USB stick is inserted.
Make sure that the same
BERNINA USB stick remains
connected during the entire
automatic update process.
The firmware update has failed.
The automatic thread cutter (at
the thread catcher) needs
cleaning.
Cause
The firmware update has been
successful but the personal data
could not be recovered.
The BERNINA USB stick (optional
accessory) is not inserted.
The latest firmware version
cannot be found on the USB
stick.
The machine must be cleaned/
lubricated.
The automatic thread cutter
needs cleaning. The message
appears every time when the
machine is started as soon as
1000 cutting cycles have been
carried out.
Solution
> Make sure that the data and settings have been saved
on the BERNINA USB stick.
> Transfer saved data to the machine.
> Use a BERNINA USB stick (optional accessory) which
provides enough free capacity.
> Make sure that the compressed zip file has been
unzipped for the firmware update.
> Check whether the data for the software update is
saved directly on the data medium and not in a file on
the USB stick.
> Updating Firmware.
> Clean the machine.
> Lubricate the machine.
Important information on lubricating:
> Too much oil may stain the fabric and the thread.
> After lubricating, sew/embroider a test piece first.
> Tap «Confirm».
– The machine calls up the function «Clean the Thread
Catcher».
> Clean the thread catcher according to the instructions
on the display.
– The counter for the cutting cycles is reset.
Errors and Faults
185