Bernina 500 E Manual page 96

Fault
Upper thread breaks
Lower thread breaks
Needle breaks
Speed too low
The machine doesn't start
Neither the sewing light nor
the light on the free arm
lights up
Cause
Incorrect needle/thread
combination.
Upper thread is too tight.
Incorrectly threaded.
Poor quality thread.
The stitch plate or the hook tip is
damaged.
The thread is caught in the area
of the thread take-up lever.
1
The bobbin case is damaged.
The stitch hole in the stitch plate
is damaged.
Needle blunt or bent.
The needle is incorrectly inserted.
Knotted thread.
Unfavorable room temperature.
Settings in the Setup Program.
Unfavorable room temperature.
The machine is damaged.
Settings in the Setup Program.
The sewing light is defect.
Repair
> Match the needle with the thread size.
> Reduce the upper thread tension.
> Rethread.
> Use quality thread.
> Contact the nearest specialized BERNINA dealer to have
the damages repaired.
> Replace the stitch plate.
> Slide the headframe (1) to the left, then remove it.
> Remove the thread remnants.
> Insert the 4 knobs of the headframe into the provided
notches and slide the headframe to the right.
> Replace the bobbin case.
> Contact the nearest specialized BERNINA dealer to have
the damages repaired.
> Replace the stitch plate.
> Replace the needle.
> Insert the needle with the flat side to the back as far up
as it will go into the needle holder and tighten the
screw.
> Use quality thread.
> Place the machine in a warm room one hour before use.
> Adjust the sewing speed in the Setup Program.
> Adjust the slide.
> Place the machine in a warm room one hour before use.
> Connect the machine and switch it on.
> Contact the specialized BERNINA dealer.
> Activate it in the Setup Program.
> Contact the specialized BERNINA dealer.
Attachment
97