Trouble Shooting - Husqvarna Viking Scandinavia 100 User Manual

Trouble Shooting

Trouble Shooting
Always Start by Checking the Needle
• Always start with a new needle as soon
as you discover that a stitch is not what
you expected. Test sew on a scrap of the
fabric you are sewing. Check that you
have chosen the correct needle and see
that it is correctly inserted. See page 11.
Unattractive Stitches
• The thread tension is not correct. See page
10.
• Make sure that the thread is not catching.
Certain thread spools are unsuitable for
spooling from the horizontal spool pin.
Try instead with the vertical spool pin.
• The machine may be incorrectly threaded.
Be sure to place spool holders correctly.
The correct threading is shown on page 7.
• Wrong bobbin thread. It should be of the
same thickness as the upper thread.
The Needle Breaks
• You may have helped the machine to
feed by pulling the fabric. The needle
can strike against stitch plate and break.
Change the needle. See page 11.
The Upper Thread Breaks
• Check the thread spool to see that it has
not caught in any way.
• The needle eye may have sharp edges
which cut the thread. If so, change the
needle. See page 11.
• The upper thread is incorrectly threaded.
See page 7.
• The upper thread may have too much
tension. Refer to page 10.
The Thread is Knotted
• The hole in the stitch plate may be chip-
ped and have sharp edges. We recom-
mend that you replace it.
26
The Bobbin Thread Breaks
• The bobbin thread may be incorrectly
threaded. See page 9.
• The stitch plate hole is damaged. See "The
thread is knotted".
Irregular Bobbin Winding
• This may be due to poor quality thread.
When sewing with cotton thread, increase
the thread tension.
• The machine is not correctly threaded for
bobbin winding. See page 7-9.
The Fabric Puckers
• The upper thread tension is too tight. See
page 10 for correct thread tension.
The Machine Does Not Feed the Fabric
• The stitch length is too short. Increase
stitch length.
• The feed teeth may be lowered. Raise
them by turning the stitch length dial to
the left.
• The feed teeth are full of dust and dirt.
Clean with the brush. See page 25.
The Seam is Too Loose – Fabric Layers
Not Held Together
• The thread tension is far too loose. Page
10 shows how to adjust the thread ten-
sion.
Machine Runs Sluggishly
• Dirt or lint has built up under the stitch
plate. Loosen the plate and brush clean
between the feed teeth and in the bottom
area. See page 25.
• Dirt or lint has packed in the hook.
Remove the bobbin and clean with the
brush. See page 25.