Troubleshooting - Husqvarna Viking Mega Quilter User Manual

Troubleshooting

The needle thread breaks
• The needle thread is not threaded
properly (page 19-21).
• The needle thread tension is too tight
(page 23).
• The needle is bent or blunt (page 14).
• The needle is incorrectly inserted (page
14).
• The needle thread and the bobbin thread
are not set under the presser foot when
starting sewing (page 22).
• The threads were not pulled to the rear
after sewing (page 22).
• The thread is too heavy or too ne for
the needle (page 5).
The bobbin thread breaks
• The bobbin thread is not threaded
properly in the bobbin holder (page 17).
• Lint has collected in the bobbin holder
(page 32).
• The bobbin is damaged and does not
turn smoothly (change the bobbin).
The needle breaks
• The needle is incorrectly inserted, bent
or blunt (page 14).
• The needle clamp screw is loose (page
14).
• The threads were not pulled to the rear
after sewing (page 22).
• The needle is too ne for the fabric
being used (page 5).
• The needle and/or threads are not
suitable for the work being sewn (page 5).
Maintenance and troubleshooting
The machine skips stitches
• The needle is incorrectly inserted, bent
• The needle thread is not threaded
• A poor quality needle is used (change the
• The needle thread tension is too tight
• The needle and/or fabrics are not suitable
Seam puckering
• The needle thread is not threaded
• The needle is too heavy for the fabric
• The stitch length is too long for the
• The needle thread tension is too tight
The cloth is not fed smoothly
• The feed dog is packed with lint (page
• The stitches are too ne (page 12).
Loops on the seams
• The needle thread tension is too loose
• The needle is too thick or too ne for
The machine does not sew or run
• The machine is not plugged in (page 9).
• Thread has been caught in the hook race
35
or blunt (page 14).
properly (page 19-21).
needle)
(page 23).
for the work being sewn (page 5).
properly (page 19-21).
being sewn (page 5).
fabric (page 12).
(page 23).
32).
(page 23).
the fabric (page 5).
(page 32).