AEG 110 - Troubleshooting

Troubleshooting
Top thread
broken
1. Improper top threading.
2. Excessively tight top tension.
3. Blunt or bend needle.
4. Improper fixing of needle.
5. At start of sewing, top thread and bottom thread are not
correctly fixed beneath the presser.
6. At end of sewing, the yarn is not threaded to back.
7. Excessively thick or too thin thread relatively to the needle.
Check or thread the
top
thread again;
check or change the
needle.
Breaking of
bobbin thread
1. The yarn of bobbin is not correctly threaded into bobbin
case holder.
2. Cotton flock collected on bobbin case holder.
3. The bobbin is damaged and impossible to smoothly rotate.
Clean the shuttle/
bobbin case.
Adjust tension of top
thread.
Needle
broken
1.Improper fixing of needle.
2. Blunt or bend needle.
3. Loosing of needle set screw.
4. Excessively tight top tension.
5. At end of sewing, the yarn is not threaded to back.
6. Too thin needle.
Check and change
proper needle
Skipping
stitch
1.Improper fixing of needle.
2. Blunt or bend needle.
3. The needle and (or) thread is unsuitable for the used fabric.
4. Improper top threading.
5. Incorrect selected needle.
Check and change
proper needle.
Check and threading
the top thread again.
Crease
stitch
1. Excessively tight top tension.
2. Improper top threading.
3. Excessively thick top thread for the used fabric.
Adjust tension of
top thread
Unsmooth
feed
1. Feed dog is wound by thread.
Clean the presser
foot.
Not rotation of
machine
1. Not surely inserting power plug.
2. Clamping thread at shuttle race.
3. Failure to replace the bobbin at original position after winding
bobbin.
Check the power
connector.
Check and clean the
shuttle.
Check and pull/push
the bobbin winding
pin to primary position.
Excessive
noise of
machine
1. Not surely inserting power plug.
2. Clamping thread at shuttle race.
3. Failure to replace the bobbin at original position after winding
bobbin.
Check and clean the
shuttle.
Check and pull/push
the bobbin winding
pin to primary position.
Trouble
Causes
Soulution
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