Trouble Shooting Guide - AEG 3500 Notice D'utilisation

TROUBLE SHOOTING GUIDE

Check items below before calling for service.
Problem
1. Needles are bent, blunt or
2. Needles not inserted
Needles break
3. You have forcibly pulled the
1. Threading is incorrect.
2. Thread tension is too tight.
Thread breaks
3. Needles not inserted
1. Needles are bent, blunt or
2. Needles not inserted
Skipped stitches
3. Threading is incorrect.
4. Wrong needles used.
1. Thread tension is not
Stiches are
irregular 2. Thread is caught.
1. Thread tension is too tight.
2. Threading is incorrect.
Seam puckering 3. Thread is caught.
4. Differential feet not set.
Fabric not 1. Upper cutter is blunt or
cutting neatly
Fabric edges 1. Too much fabric is within the
curl
Cause
points are damaged.
correctly.
fabric
correctly.
points are damaged.
correctly.
correct.
wrongly positioned.
stitch.
Corrective action
1. Replace with new needles.
2. Insert the needles correctly to
the needle clamp.
3. Guide fabric gently with both
hands.
1. Thread the machine correctly.
2. Reset the thread tension.
3. Insert the needles correctly to
the needle clamp.
1. Replace with new needles.
2. Insert the needles correctly to
the needle clamp.
3. Thread the machine correctly.
4. Use correct needles. (HA×1 or
130/ 705H)
1. Correct the thread tension.
2. Check threading path of each
thread.
1. Correct the thread tension.
2. Thread the machine correctly.
3. Check threading path of each
thread.
4. Set differential feed to "S".
1. Replace or adjust the cutter.
1. Re-adjust seam width.
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10．11
13．14
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10．11
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12．13
9．10
13．14
10．11
10．11
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