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Wards.com
Troubleshooting
Problem
Possible Cause
Reference
Needle thread breaks.
Needle thread is not threaded properly.
Needle thread tension is too tight.
Needle is bent or blunt.
Needle is incorrectly inserted.
Needle thread and the bobbin thread are not set properly
under the presser foot at the beginning of sewing.
Fabric is not drawn to the rear when sewing has finished.
Thread is too heavy or too fine for the needle.
Page 11
Page 13
Page 8
Page 8
Page 16-17
Page 16-17
Page 29
Bobbin thread breaks.
Bobbin thread is not threaded properly in the bobbin case
and shuttle.
Lint has collected in the shuttle area.
Bobbin is damaged and doesn’t turn smoothly.
Page 10
Page 27
Change
bobbin
Needle breaks.
Needle is incorrectly inserted.
Needle is bent or blunt.
Needle clamp screw is loose.
Needle thread tension is too tight.
Fabric is not drawn to the rear when sewing has finished.
Needle is too fine for the fabric being sewn.
Page 8
Page 8
Page 8
Page 13
Page 16-17
Page 29
Skipped stitches
Needle is incorrectly inserted.
Needle is bent or blunt.
Needle and/or threads are not suitable for work being sewn.
A blue tipped needle is not being used for sewing stretch,
very fine fabrics and synthetics.
Needle thread is not threaded properly.
Wrong needle is being used.
Page 8
Page 8
Page 29
Page 29
Page 11
Change
needle
Seam puckers
Needle thread tension is too tight.
Needle thread is not threaded properly.
Needle is too heavy for the fabric being sewn.
Stitch length is too long for the fabric.
Page 13
Page 11
Page 29
Make stitch
shorter
Cloth is not feeding
smoothly
Feed dog is packed with lint.
Stitches are too fine.
Page 28
Make stitch
longer
Machine doesn’t work
Machine is not plugged in.
Thread is caught in the shuttle race.
Page 6
Page 27
Noisy operation
Thread caught in the shuttle race.
Lint has built up in the shuttle or the shuttle race.
Page 27
Page 27
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