Troubleshooting - Janome Memory Craft 4400 Instruction Book

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Table Of Contents

Table of Contents

Condition

The needle thread

breaks.

The bobbin thread

breaks.

The needle breaks.

Screen is not clear.

Skipped stitches

Seam puckering

The cloth is not

feeding smoothly.

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 drawn to the rear

when sewing is started.

6. The fabric is not drawn to the rear when sewing is finished.

7. The thread is too heavy or too fine for the needle.

1. The bobbin thread is not threaded properly in the bobbin holder.

2. Lint has collected in the bobbin holder.

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 fabric is not drawn to the rear when sewing is finished.

6. The needle is too fine for the fabric being sewn.

1. The sharpness of the liquid crystal display is not adjusted properly.

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 tipped needle is not being used for sewing stretch, very fine

fabrics or synthetics.

5. The needle thread is not threaded properly.

6. The presser foot pressure is not strong enough.

7. 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.

5. The presser foot pressure is not correctly adjusted.

1. The feed dog is packed with lint.

2. The presser foot pressure is too weak.

3. The stitches are too fine.

4. Feed dogs are lowered.

5. The correct presser foot is not being used.