Janome MyStyle 100, Service Manual

2

Condition

Cause

How to fix

Reference

3.

1. Initial sewing speed is

Start with medium speed.

too fast.

2. Thread  path is incorrect.

Use the proper thread path.

3. Needle is bent or dull.

Replace with a new needle.

4. Upper thread tension is

Adjust needle thread

too strong.

tension correctly.

5. Needle size is

Use appropriate needle

inappropriate for fabric.

for fabric and thread in use.

6. Needle eye is worn.

Change the needle.

7. Needle hole in needle

Repair the hole or

plate is worn or burred.

replace the needle plate.

4.

1. Incorrectly threaded

Thread bobbin correctly.

bobbin.

2. Too much thread is

Adjust the position of

on the bobbin.

stopper.

3. Lint is stuck inside the

Clean the shuttle.

bobbin holder.

4. Thread quality is

Change to a higher quality

too low.

sewing thread.

5. Thread is jamming

Clear out the jamming

around the bobbin.

thread.

5. Needle

1. Needle is hitting the

See mechanical

p.10

breaks

needle plate.

adjustment “Needle Drop

Position”.

2. Needle is bent or worn.

Change the needle.

3. Needle is hitting the

See mechanical adjustment

p.13

Hook.

 “Clearance between

 Needle and Hook Point”.

4. The fabric moves while

See mechanical

p.9

the needle is piercing

adjustment “Needle

it, or the needle zigzags

Swing”.

while in fabric.

5. Fabric is being pulled too

Guide the fabric gently

strongly while sewing.

while sewing.

Needle

thread

breaks

Bobbin

thread

breaks