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Trouble shooting guide
Before calling for service, check the following items. If the problem still persists, contact the place
of purchase or your nearest authorized dealer.
Problem
1. The machine is not threaded
correctly.
2. The thread tension is too tight. 2. Reduce the thread tension
3. The thread is too thick for the
Upper
needle.
thread
4. The needle is not inserted
breaks
correctly.
5. The thread is wound around
the spool holder pin.
6. The needle is damaged.
1. The bobbin case is not inserted
correctly.
Lower
thread
breaks
2. The bobbin case is threaded
wrong.
1. The needle is not inserted
correctly.
2. The needle is damaged.
Skipped
3. The wrong size needle has
stitches
been used.
4. The foot is not attached
correctly.
5. The machine is not threaded
correctly.
1. The needle is damaged.
2. The needle is not correctly
inserted.
3. Wrong needle size for the
fabric.
4. The wrong foot is attached.
Needle
breaks
5. The needle clamp screw is
loose.
6. The presser foot that is used is
not appropriate for the type of
stitch that you wish to sew.
7. The upper thread tension is too
tight.
Cause
55
Correction
1. Rethread the machine.
(lower number).
3. Select a larger needle.
4. Remove and reinsert the
needle (flat side towards the
back).
5. Remove the reel and wind up
the thread onto the reel.
6. Replace the needle.
1. Remove and reinsert the
bobbin case and pull on the
thread. The thread should run
easily.
2. Check both bobbin and bobbin
case.
1. Remove and reinsert the
needle (flat side towards the
back).
2. Insert a new needle.
3. Choose a needle to suit the
thread.
4. Check and attach it correctly.
5. Rethread the machine.
1. Insert a new needle.
2. Insert the needle correctly (flat
side towards the back).
3. Choose a needle to suit the
thread and fabric.
4. Select the correct foot.
5. Use the screwdriver to tighten
the screw.
6. Attach the presser foot that
is appropriate for the type of
stitch that you wish to sew.
7. Loosen the upper thread
tension.
Reference
8
16
12
11
8
11
7
7
11
11
12
14
8
11
11
12
-
11
-
16
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