Brother FS-20 - Manual (Page 93)

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■ While sewing
Symptom Possible cause How to put it right Reference
The sewing
machine does
not work.
The machine is not plugged in. Plug the machine in. page 12
The main power switch is turned off. Turn on the main power switch. page 12
The bobbin winder shaft is pushed to
the right.
Move the bobbin winder shaft to the
left.
page 17, 18
You have not used the foot
controller properly.
Use the foot controller properly. page 13
The foot controller or the start/stop
button was not pressed (for models
equipped with the start/stop button).
Press the foot controller or the start/
stop button.
page 39
The presser foot lever is raised. Lower the presser foot lever. page 39
The start/stop button was pressed,
even though the foot controller is
connected. (for models equipped
with the start/stop button)
Do not use the start/stop button
when the foot controller is
connected. To use the start/stop
button, disconnect the foot
controller.
page 39
Fabric being
sewn with the
machine cannot
be removed.
Thread is tangled below the needle
plate.
Lift up the fabric and cut the threads
below it, and clean the race.
page 86
The needle
breaks.
The spool or spool cap is incorrectly
installed.
Correctly install the spool or spool
cap.
page 23
The upper thread was not threaded
correctly.
Correct the upper threading. page 22
The needle is incorrectly installed. Correctly install the needle. page 29
The needle clamp screw is loose.
Use the disc-shaped screwdriver to
firmly tighten the screw.
page 30
The needle is bent or blunt. Replace the needle. page 29
You have not used the right
combination of fabric, thread and
needle.
Choose a thread and needle that are
appropriate for the type of fabric.
page 28
The presser foot you are using is not
appropriate for the type of stitch that
you want to sew.
Attach the presser foot that is correct
for the type of stitch that you want to
sew.
page 73
The upper thread tension is too tight. Loosen the upper thread tension. page 41
You are pulling the fabric too much. Lightly guide the fabric. –
The area around the hole in the
needle plate is scratched.
Replace the needle plate.
Contact your retailer or the nearest
authorized service center.
–
The area around the hole in the
presser foot is scratched.
Replace the presser foot.
Contact your retailer or the nearest
authorized service center.
–
The bobbin case is scratched.
Replace the bobbin case.
Contact your retailer or the nearest
authorized service center.
–
You have not used a bobbin that has
been designed for this machine.
Incorrect bobbins will not work
properly. Only use a bobbin that has
been designed for this machine.
page 14