Troubleshooting - New Home NH1722S Instruction Manual

NH1722S Instruction Manual

Troubleshooting

Condition
The needle thread
breaks.
The bobbin thread
breaks.
The needle breaks.
Skipped stitches
Seam puckering
The cloth is not
feeding smoothly.
The machine
doesn't work.
Noisy operation
www.toews.com
Cause
1. The needle thread is not threaded properly.
2. The needle thread tension is too tight.
3. The needle is bent or blunt.
4. The needle is incorrectly inserted.
5. The needle thread and the bobbin thread are not set properly
under the presser foot at the beginning of sewing.
6. The threads are not drawn to the rear after previous sewing.
7. The thread is too heavy, or too fine for the needle.
1. The bobbin thread is not threaded properly in the bobbin
case and shuttle.
2. Lint has collected in the shuttle area.
3. The bobbin is damaged and doesn't turn smoothly.
1. The needle is incorrectly inserted.
2. The needle is bent or blunt.
3. The needle clamp screw is loose.
4. The needle thread tension is too tight.
5. The threads are not drawn to the rear after the previous sewing.
6. The needle is too fine for the fabric being sewn.
1. The needle is incorrectly inserted.
2. The needle is bent or blunt.
3. The needle and/or threads are not suitable for the work being
sewn.
4. A blue needle is not being used for sewing stretch, very fine
fabrics or synthetics.
5. The needle thread is not threaded properly.
6. The wrong needle is being used.
1. The needle thread tension is too tight.
2. The needle thread is not threaded properly.
3. The needle is too heavy for the fabric being sewn.
4. The stitch length is too long for the fabric.
1. The feed dog is packed with lint.
2. The stitches are too fine.
3. The feed dog is not raised after "drop feed" sewing.
1. The machine is not plugged in.
2. A thread is caught in the shuttle race.
3. The push-clutch is disengaged.
1. There is thread caught in the hook race.
2. Lint has built up in the shuttle or the shuttle race.
38
Reference
Page 13
Pages 14, 15
Page 6
Page 6
Pages 12, 13
Page 17
Page 9
Page 12
Page 36
Change the bobbin
Page 6
Page 6
Page 6
Pages 14, 15
Page 34
Page 16
Page 6
Page 6
Page 9
Page 9
Page 13
Change the needle
Pages 14, 15
Page 13
Page 9
Make stitch shorter
Page 35
Make stitch longer
Page 20
Page 4
Page 36
Pages 10, 11
Page 36
Page 36
1722S Owners Manual/ User Guide