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Bernina 790 PRO - Page 183

Bernina 790 PRO
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Errors and Faults
183
Message on the Display Cause Solution
The bobbin thread is used up. > Rethread.
The bobbin thread has broken. > Clean the hook.
> Rethread.
The main motor is not running. > Turn the handwheel clockwise until the needle is at its
top position.
> Remove the sewing project. Do not pull on the fabric or
the thread.
> Remove the stitch plate.
> Remove the thread remnants.
> Clean the hook.
> Remove the hook and make sure that there are no
pieces of broken needle points on the magnetic back of
the hook.
> Insert the hook correctly.
Incorrect presser foot for the
BERNINA Dual Feed.
> Fit a presser foot with the designation «D».
The fabric under the presser foot
is too thick.
> Reduce the fabric thickness.
The contact between the
machine and the embroidery
module is interrupted as a result
of vibrations.
> Make sure that the embroidery module and the machine
are standing on a stable, even surface.
> Connect the embroidery module to the machine.
The needle position doesn't
correspond with the center of the
hoop.
> Calibrate the hoop.

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