1. The needle thread tension is too tight.
1. Loosen the thread tension.
2. The needle thread is not threaded correctly.
3. The needle is too heavy for the fabric
being sewn.
3. Choose a needle to suit the thread and fabric.
4. The stitch length is too long for the fabric.
1. The correct presser foot is not used.
1. Select the correct foot.
2. The needle thread tension is too tight.
2. Loosen the thread tension .
1. Thread is caught in the hook.
Remove the upper thread and bobbin case, turn
the hand wheel backwards and forwards by hand
and remove the thread remands.
2. The feed dogs are packed with lint.
1. Fluff or oil have collected on the hook or
needle bar.
1. Clean the hook and feed dog as described.
2. The needle is damaged.
3. Slight humming sound coming from
internal motor.
4. Thread is caught in the hook.
Remove the upper thread and bobbin case, turn
the hand wheel backwards and forwards by hand
and remove the thread remands.
5. The feed dogs are packed with lint.
Uneven
stitches,
uneven feed
1. Select a better quality thread.
2. The bobbin case is threaded wrong.
2. Remove the bobbin case, the thread and
reinsert correctly.
3. Fabric has been pulled.
3. Do not pull on the fabric while sewing, let it
be taken up by the machine.
The sewing
machine
doesn't operate
1. The machine is not turned on.
2. The presser foot lever is raised.
2. Lower the presser foot lever.
3. The machine is not plugged in.
3. Connect the power line plug to the electric
outlet.
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