Troubleshooting - ELNA 664 Mode D'emploi

Troubleshooting

Condition
The fabric is not 1. The feed dog is packed with lint.
being fed 2. The presser foot has been raised.
smoothly.
The needle 1. The needle is incorrectly inserted.
breaks. 2. The needle is bent or blunt.
3. The fabric is pulled strongly.
The thread 1. The machine is not correctly threaded.
breaks. 2. The needle or looper thread tension is too tight.
3. The needle is incorrectly inserted.
4. The needle is bent or blunt.
Skipped stitches 1. The needle is bent or blunt.
2. The machine is not correctly threaded.
3. The needle is incorrectly inserted.
The seam is not 1. The needle and/or looper thread tensions are
sewn neatly.
2. The machine is not correctly threaded.
3. The stitch is not suitable for the fabric being
4. The thread is not between the tension discs.
Seam puckering 1. The needle or looper thread tension is too tight.
2. The machine is not correctly threaded.
3. The differential feed dial is not correctly
The machine 1. The machine has not been plugged in firmly.
does 2. The power switch is turned off.
not operate.
The fabric is not 1. The position of the upper knife is not adjusted
cut neatly.
2. The upper knife is dull.
All manuals and user guides at all-guides.com
Cause
not correctly adjusted.
sewn.
adjusted.
properly.
See page 74.
Lower the presser foot.
See page 20.
Replace the needle.
Pull the fabric lightly.
See pages 34-56.
See pages 64-70.
See page 20.
Replace the needle.
Replace the needle.
See pages 34-56.
See page 20.
See pages 62-70.
See pages 34-56.
See pages 22-24.
See pages 38, 44, 48 and 54.
See pages 64-70.
See pages 34-56.
See page 26.
See page 12.
See page 12.
See page 74.
Replace the upper knife.
(See page 74.)
80
Reference