Troubleshooting
A-14
■
While sewing
Symptom
Probable Cause
Remedy
Reference
Machine does not
operate.
“Start/Stop” button was not pressed.
Press the “Start/Stop” button.
B-32
The bobbin winder shaft is pushed to the right.
Move the bobbin winder shaft to the left.
B-12
There is no pattern selected.
Select a pattern.
B-31
Presser foot is not lowered.
Lower the presser foot.
B-32
“Start/Stop” button was pushed with the foot
controller attached.
Remove the foot controller, or use the foot
controller to operate the machine.
B-33
The “Start/Stop” button was pressed while the
machine is set for the sewing speed controller
to control the zigzag stitch width.
Use the foot controller instead of the “Start/
Stop” button to operate the machine, or press
to turn off the width control function.
B-33
Needle breaks.
Needle is installed incorrectly.
Reinstall the needle correctly.
B-26
Needle clamp screw is not tightened.
Tighten the needle clamp screw.
B-26
Needle is turned or bent.
Replace the needle.
B-26
Using improper needle or thread for the
selected fabric.
Check the “Fabric/Thread/Needle
Combinations” chart.
B-25
Wrong presser foot was used.
Use the recommended presser foot.
B-29
Upper thread tension is too tight.
Adjust the thread tension setting.
B-37
Fabric is pulled during sewing.
Do not pull the fabric during sewing.
–
Spool cap is set incorrectly.
Check the method for attaching the spool cap,
then reattach the spool cap.
B-12
There are scratches around the opening in the
needle plate.
*
There is a notch on the left side of the
opening in the needle plate. This is not a
scratch.
1
Notch
Replace the needle plate, or consult your
authorized Baby Lock retailer.
A-7
There are scratches around the opening in the
presser foot.
Replace the presser foot, or consult your
authorized Baby Lock retailer.
B-28
There are scratches on the bobbin case.
Replace the bobbin case, or consult your
authorized Baby Lock retailer.
A-2
Needle is defective.
Replace the needle.
B-26
A bobbin designed specifically for this machine
is not used.
Incorrect bobbins will not work properly. Only
use a bobbin designed specifically for this
machine.
B-12
Upper threading is incorrect.
Check the steps for threading the machine and
rethread the machine.
B-18
Bobbin is set incorrectly.
Reset the bobbin thread correctly.
B-15
Presser foot is attached incorrectly.
Attach the presser foot correctly.
B-28
Screw of the presser foot holder is loose.
Securely tighten the screw of the presser foot.
B-29
Fabric is too thick.
Use fabric that the needle can pierce when the
handwheel is turned.
B-25, S-4
Fabric is fed forcefully when sewing thick fabric
or thick seams.
Allow the fabric to be fed without being
forcefully pushed.
S-4
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Summary of Contents for PRESTO
Page 1: ......
Page 2: ......
Page 52: ...Stitch Setting Chart B 44 ...
Page 96: ...Decorative Stitching S 44 ...
Page 104: ...Sewing the Various Built in Decorative Patterns D 8 ...
Page 127: ......
Page 128: ...English 888 F11 Printed in Vietnam XG5453 001 ...