Janome CoverPro 3000, Инструкция, Страница: 46 / 49

43
Troubleshooting
Problem Cause Reference
Needle thread
breaks.
1. The machine is not threaded correctly.
2. The thread tension is too tight.
3. The needle is bent or blunt.
4. The needle is incorrectly inserted.
5. A wrong needle is used.
6. Fabric is too heavy. Refer to pages 12 - 25
Refer to pages 26 - 33
Refer to page 10
Refer to page 10
Refer to page 10
Refer to pages 32 - 33
Needle bends or
breaks.
1. The needle is bent or blunt.
2. The needle is incorrectly inserted.
3. The needle clamp screw is loose.
4. The fabric is forcedly pulled.
5. The number of the needle is wrong. Refer to page 10
Refer to page 10
Refer to page 10
Do not pull the fabric.
Refer to page 26
Skipped stitches 1. The needle is incorrectly inserted.
2. The needle is bent or blunt.
3. The tension is not adjusted correctly.
4. The machine is not threaded correctly.
5. Fabric is too heavy.
6. The number of the needle is wrong.
Refer to page 10
Refer to page 10
Refer to pages 26 - 33
Refer to pages 12 - 25
Refer to pages 32 - 33
Refer to page 26
Seam puckering 1. The needle and/or looper thread tensions are not adjusted
correctly.
2. Fine mode switching lever is not positioned correctly.
3. Easily stretched threads such as wool are use.
Refer to pages 26 - 33
Refer to page 9
Use spun.
The cloth is
not feeding
smoothly.
1. The presser foot is raised.
2. Presser foot pressure is too weak.
3. The feed dog is packed with lint. Refer to page 6
Refer to page 8
Refer to page 42
Machine does
not operate.
1. The machine is not connected correctly to the power supply.
2. The foot control is not plugged in firmly.
3. The power switch is turned off. Refer to page 4
Refer to page 4
Turn on the power switch.