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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
2. The thread tension is too tight.
Upper
3. The thread is too thick for the
thread
breaks
4. The needle is not inserted
5. The thread is wound around
6. The needle is damaged.
1. The bobbin case is not
Lower
thread
breaks
2. The bobbin case is threaded
1. The needle is not inserted
2. The needle is damaged.
Skipped
3. The wrong size needle has
stitches
4. The foot is not attached
5. The machine is not threaded
1. The needle is damaged.
2. The needle is not correctly
Needle
3. Wrong needle size for the
breaks
4. The wrong foot is attached.
5. The needle clamp screw is
Cause
correctly.
needle.
correctly.
the spool holder pin.
inserted correctly.
wrong.
correctly.
been used.
correctly.
correctly.
inserted.
fabric.
loose.
Correction
1. Rethread the machine.
2. Reduce the thread tension
(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.
44
Reference
10
18
14
14
10
14
8
8
14
14
14
16
10
14
14
14
-
14
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