Troubleshooting
Problem
Cause
Needle thread breaks.
1. The machi ne is not threaded correctly.
2. The thread tension is too tight.
3.
The needle is bent or blunt.
Reference
See pages
33
-
38
See pages
3
9-4
3
See page
3
1
4. The needle is not set correctly.
5. A wrong needle is used.
Needle bends or breaks.
1. The needle is bent or blunt.
2. The needle is not set correctly.
3.
The needle clamp screw is loose.
See page
3
1
See page
3
1
See page
3
1
See page
3
1
See page
3
1
4. The fabric is forcedly pulled.
Skipped stitches
1. The needle is not set correctly.
2. The needle is bent or blunt.
3.
The tension is out of balance.
4. The machi ne is not threaded correctly.
Do not pull the
fabric.
See page
3
1
See page
3
1
See pages
3
9-4
3
See pages
33
-
38
Seam puckering
1. The tension is out of balance.
Machi ne does not operate 1. The machi ne is not connected to the power supply.
2. The foot control is not plugged in firmly.
See pages
3
9-4
3
See page 2
7
See page 2
7
48
Summary of Contents for COVER Style
Page 1: ...Manual de instrucciones Manual instruction...
Page 3: ...SAFETY INSTRUCTIONS SAVE THESE INSTRUCTIONS...
Page 8: ...3 Conectar la m quina a la corriente el ctrica...
Page 12: ...7...
Page 23: ...18...