Trouble Shooting - Bernina Artista 200 Manual

Prevention and Remedy of Failures
In most cases you will be able to identify and remedy faults by checking the following.
Check whether:
the upper and lower threads are threaded
•
correctly
the needle is inserted as far up as possible with
•
the flat side of the shank to the back
the needle size is correct – check the needle/
•
thread chart
the sewing computer is clean – brush out any
•
thread lint
the hook race is clean
•
any threads are trapped between the tension
•
discs or under the bobbin case spring

Trouble Shooting

Upper Thread Breaks
upper thread tension is too tight
•
needle is of inferior quality; purchase needles at
•
your authorized BERNINA dealer
needle has been inserted incorrectly – the flat
•
side of the shank must be to the back
needle is bent or blunt
•
poor quality, knotted, old or dried out thread
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has been used
use the correct spool disc
•
stitch plate hole or hook tip damaged – take
•
your sewing computer to your BERNINA dealer
Lower Thread Breaks
the lower thread tension is too tight
•
the bobbin is jammed in the bobbin case.
•
Remove and replace the bobbin
the hole in the stitch plate has been damaged
•
by the needle; this must be polished by an
authorized BERNINA service technician
the needle is blunt or bent
•
Skipped Stitches
wrong needles used; use only 130/705H system
•
the needle is blunt, bent or incorrectly inserted;
•
make sure needle is inserted completely to the
top
needle is of inferior quality or badly polished
•
the needle point does not suit the fabric being
•
sewn; if necessary, use a ball point for knitted
fabrics and a cutting point for hard leather
for narrower stitches use a stitch plate with
•
smaller stitch plate hole (5.5mm, optional
accessory)
180
Sewing and Sewing Computer Support – Trouble Shooting
Needle Breaks
needle clamp screw loose
•
fabric pulled to the front instead of behind the
•
presser foot
when sewing over thick area, the fabric was
•
pushed with the needle still in the fabric; use
Jeans foot
for more information regarding Needle see
•
page 19
Faulty Stitching
remnants of thread between the tension discs:
•
pull folded, thin fabric (do not use fabric edge)
between the tension discs and clean them by
moving the fabric forwards and backwards on
the left and right side of the thread tension
remove remnants of thread under the bobbin
•
case spring
incorrect threading. Check upper and lower
•
threads
use the correct spool disc
•
clean and lubricate hook (use only original oiler;
•
see Cleaning and Lubricating page 179)
Cannot Sew Thick Fabric
needle/thread combination is not correct (the
•
thread is too thick for the inserted needle)
use height compensating tool, when sewing
•
over a thick seam
Sewing Computer Fails to Run or Runs Slowly
plug not fully inserted
•
turn power switch off («0»)
•
sewing computer has been standing in a cold
•
room
restart sewing computer
•
Sewing Computer Sews in Reverse
Continuous Reverse Sewing function is activated
•
Defective Sewing Light
the sewing computer must be brought to a local
•
BERNINA dealer
Problems With Peripherals
plug not completely inserted
•
restart sewing computer
•
Lower Thread Indicator Sensor
bobbin cover is not closed
•
not activated in the Setup Program
•
remove any thread lint and remnants from the
•
bobbin case
Upper Thread Indicator Sensor
not activated in the Setup Program
•
030794.71.04_0401_a200_EN