APPENDIX ——————————————————————————————————————————————

Symptom

Probable Cause

Remedy

Reference

 

 

 

 

While winding the

 

 

 

bobbin, the bobbin

You have not wound the bobbin

After removing the thread wound

 

thread was wound

below the bobbin winder seat,

page 158

thread properly.

below the bobbin

wind the bobbin correctly.

 

 

 

winder seat.

 

 

 

 

 

 

 

 

The thread is not passed through the

Correctly pass the thread through

 

 

bobbin-winding thread guide

page 24

 

the bobbin-winding thread guide.

 

correctly.

 

 

 

 

Bobbin thread does

 

 

 

 

Move the sewing speed controller

 

not wind neatly on

Bobbin spins slowly.

to the right (so that the speed will

page 25

the bobbin.

 

be fast).

 

 

 

 

 

 

The thread that was pulled out was

Wind the thread that was pulled

 

 

not wound onto the bobbin

off round the bobbin five or six

page 25

 

correctly.

times clockwise.

 

 

 

 

 

Fabric being sewn

Thread is tangled below the needle

Lift up the fabric and cut the

 

with the machine

threads below it, and clean the

page 155

plate.

cannot be removed.

race.

 

 

 

 

 

The fabric feeds in

 

Contact your dealer or the nearest

 

the opposite

The feed mechanism is damaged.

authorized service center.

direction.

 

 

 

 

 

 

 

 

 

The upper thread

The bobbin thread is incorrectly

Correctly install the bobbin

page 26,

has tightened up.

installed.

thread.

page 151

 

 

 

 

The thread is

 

 

 

tangled on the

You have not threaded the upper

Correct the upper threading.

page 28,

wrong side of the

thread properly.

page 152

 

fabric.

 

 

 

 

 

 

 

164