Bernina 500 User Manual page 101

Message on the display Cause
The main motor isn't running.
The contact between the
machine and the embroidery
module is interrupted due to
vibrations.
The needle position doesn't
correspond with the center of the
hoop.
The embroidery module is not
attached.
The hoop is not attached.
The hoop is attached.
Solution
> Turn the handwheel clockwise until the needle is at its
top position.
> 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.
> Make sure that the module and the machine are
standing on a stable, even surface.
> Connect the embroidery module to the machine.
> Calibrate the hoop.
> Connect the embroidery module to the machine.
> Contact the specialized BERNINA dealer to have the
machine checked.
> Attach the hoop.
> Remove the embroidery hoop.
Appendix
101