ELNA 3003 Instruction Manual page 34

Problem
Cause
See page
The seam puckers
1 , The upper tension is too tight
A-14
2. The machine is not threaded correctly
A-] 2
3. The needle is too heavy for the fabric being sewn
A-9
4. The stitches are too long for the fabric
A-9
5. The pressure of the presser foot is not set correctly
A-7
*
When sewing extremely light weight fabrics place a sheet of paper underneath the fabric
The stitches form loops underneath the fabric
1 The upper tension is too loose
A-14
2. The needle is either too heavy or to fine for the thread
A-9
The fabric is not fed smoothty
I . The feed dog is packed with lint
A-31
2. The pressure of the presser foot is too weak
A-7
3. The stitches are too short
A- 15
The machine does not work
1. The machine is not plugged in
A-6
2. A thread is caught in the hook race
A-31
3 The coupling knob is disengaged
A10, 1 1
4 The bobbin w;nder spindle is in the winding position
A-10, 1 1
The buttonhole is not balanced
I] The stitch length is not suitable for the fabric being sewn
A-15
2. The work is being pulled or held bock
Guide the fabric gently
3. No interfacing is being used with stretch or fine fabrics
A-9