Appendix a-15 – Baby Lock Crescendo (BLCR) Instruction and Reference Guide User Manual

Page 205

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TROUBLESHOOTING

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Appendix A-15

A

1

Skipped stitches

Needle is turned, bent or the point is dull.

Replace the needle.

B-51

Using improper needle or thread for the
selected fabric.

Check the “Fabric/Thread/Needle
Combination” chart.

B-53

Machine is threaded incorrectly.

Check the steps for threading the machine
and rethread it correctly.

B-42

Dust or lint has collected under the needle
plate.

Remove the dust or lint with the brush.

A-3

Needle is installed incorrectly.

Reinstall the needle correctly.

B-51

Needle is defective.

Replace the needle.

B-51

Thin or stretch fabrics are being sewn.

Sew with one sheet of thin paper under the
fabric.

S-9

Needle breaks

Needle is installed incorrectly.

Reinstall the needle correctly.

B-51

Needle clamp screw is not tightened.

Tighten the needle clamp screw.

B-52

Needle is turned or bent.

Replace the needle.

B-51

Using improper needle or thread for the
selected fabric.

Check the needle and fabric combination.

B-53

Wrong presser foot was used.

Use the recommended presser foot.

S-68

Upper thread tension is too strong.

Adjust the thread tension setting.

S-12

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-42

There are scratches around the holes in the
needle plate.

Replace the needle plate, or consult your
authorized retailer.

A-3

There are scratches around the hole(s) in the
presser foot.

Replace the presser foot, or consult your
authorized retailer.

B-49

There are scratches on the bobbin case.

Replace the bobbin case, or consult your
authorized retailer.

A-3

Needle is defective.

Replace the needle.

B-51

Upper threading is incorrect.

Check the steps for threading the machine
and rethread the machine.

B-42

Bobbin is set incorrectly.

Reset the bobbin thread correctly.

B-39

Presser foot is attached incorrectly.

Attach the presser foot correctly.

B-49

Screw of the presser foot holder is loose.

Securely tighten the screw of the presser
foot.

B-49

Fabric is too thick.

Use fabric that the needle can pierce when
the handwheel is turned.

S-7

Fabric is fed forcefully when sewing thick fabric
or thick seams.

Allow the fabric to be fed without being
forcefully pushed.

Stitch length is too short.

Adjust the stitch length.

S-10

Bobbin thread is incorrectly wound.

Use a correctly wound bobbin.

B-34

Fabric does not feed
through the machine

Feed dogs are set in the down position.

Press

, and then turn the handwheel to

raise the feed dogs.

S-40

Stitches are too close together.

Lengthen the stitch length setting.

S-10

Wrong presser foot was used.

Use the correct presser foot.

S-68

Needle is turned, bent or the point is dull.

Replace the needle.

B-51

Thread is entangled.

Cut the entangled thread and remove it from
the race.

A-11

Fabric puckers

There is a mistake in the upper or bobbin
threading.

Check the steps for threading the machine
and rethread it correctly.

B-39, B-42

Thread tension is set incorrectly.

Adjust the thread tension.

S-12

Stitches are too long when sewing thin fabrics. Shorten the stitch length.

S-10

Needle is turned, bent or the point is dull.

Replace the needle.

B-51

Spool cap is set incorrectly.

Check the method for attaching the spool
cap, then reattach the spool cap.

B-42

Wrong presser foot.

Use the correct presser foot.

S-68

Problem

Cause

Solution

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