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Brother SB170 User Manual

Page 43

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42

6

Stitches are

skipped.

You have not threaded the upper thread

properly.

Correct the upper threading.

14

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.

17

The needle is bent or blunt.

Replace the needle.

7

The needle is incorrectly installed.

Correctly install the needle.

7

Dust has accumulated under the needle

plate or in the bobbin case.

Remove the needle plate and clean the

plate and the bobbin case.

38

The stitch is

not sewn

correctly.

The presser foot that you are using is not

correct for the type of stitch.

Attach the presser foot that is correct

for the type of stitch that you want to

sew.

The thread tension is incorrect.

Adjust the tension of the upper thread.

22

The thread is tangled.

Remove the tangled thread. If the
thread is tangled in the bobbin case,
clean the bobbin case.

38

The fabric

does not feed.

The darning plate is fitted on the needle

plate.

Remove the darning plate.

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.

17

The thread is tangled, for example, in the

race.

Remove the tangle thread. If the thread
is tangled in the race, clean the race.

38

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.

30

Symptom

Possible cause

How to put it right

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