Brand: AEG
Category: Sewing Machines
Document Type: Manual
Language: EN
Available Languages: EN , ES
Brand: AEG
Category: Sewing Machines
Document Type: Manual
Language: EN
Available Languages: EN , ES
Uploaded: April 20, 2026, 7:49 p.m.
24 months warranty for material and production defects for the first buyer.
| Suspected problem | Probable cause | Possible easy correction |
|---|---|---|
| Threads kink together under the fabric. | Upper thread improper threading. Upper tension dial at O position. |
Re-thread. See page 14 Increase upper thread tension. See page 18 |
| Irregular stitches | Incorrect needle size. Improper threading. Loose top thread tension Loose presser foot. Pulling fabric. Uneven wound bobbin Needle plate broken |
Choose correct size needle. Re-thread. See page 14 Tighten top tension. See page 18 Re-set presser foot. Gently pull the fabric. Re-wind bobbin. See page 10,11 Change needle plate. |
| Breaking needle | - Wrong needle size for the fabric. - The needle is curving. - Pulling fabric. - The needle clamp screw is loose. - Pattern dial rotation when needle is in the fabric. |
- Choose a needle to suit the thread and fabric. Re-set needle. See page 8 Gently pull the fabric. Tighten the needle clamp screw. Bring needle to its highest position, before you choose a pattern |
| Bunching of thread | Loose presser foot. - Upper and lower thread not pulled back under presser foot before sewing. - Incorrect thread tension. |
Re-set presser foot. Pull both threads under and back of presser foot, then rotate the hand wheel with right hand. Re-set thread tension. See page 18 |
| Puckering | - Upper thread improper threading. - Using two different sizes or types of thread. - Bent or blunt needle. - Loose presser foot - Fabric too thin or too soft. - Incorrect size needle. |
Re-thread. See page 14 Use same size and type threads. Insert new needle. Re-set presser foot. Use underlay or vlies. Choose correct needle size for thread and fabric. See page 20 |
| Skipping stitches | Bent or blunt needle. - Incorrect setting of needle. - Improper threading. - Starting to stitch too fast. - Improper threading. |
Insert new needle. Re-set needle. See page 8 Re-thread. See page 14 Start to stitch at a medium speed. Re-thread. See page 14 |
| Breaking upper thread | - Top thread tension too high. - Incorrect setting of needle. - Wrong needles and thread for the fabric. |
Adjust top thread tension. See page 18 Re-set needle. See page 8 Choose correct needle and thread to suit the fabric. See page 20 |
| Breaking bobbin thread | Set thread pool and the position indentation at left side. Needle eye is sharp. Burrs on bobbin. Incorrect setting of bobbin case. Burrs on needle hole. |
Adjust position of the indentation to right side. See page 10,11 Re-set bobbin case. See page 42 Replace new needle. Sand or change bobbin case. Sand or change needle plate. |
| Fabric not moving | Down thread improper threading. Down thread tension too high. - Lint in bobbin or shuttle. |
Re-thread. See page 12,13 Adjust thread tension. See page 19 Clean bobbin case and shuttle. See page 42 |
| Machine jamming knocking noise | Stitch length in "O" position. Scraps in with feed-dog Sewing thread entangled Feed dog position down. Thread caught in bobbin case. |
Adjust stitch length. Clean feed dog. See page 38 Pull back upper and bobbin thread under presser foot. Feed dog position up. Remove and clean bobbin case. See page 42 |
| Sewing machine doesn't operate | The machine is not plugged in. Machine is not switched on. |
Plug in machine. Switch on machine |
| Down thread is pulled above the cloth. | - Top thread tension too high. - Upper thread improper threading. - Down thread improper threading. |
Adjust top thread tension. See page 18 Re-thread. See page 14 Re-thread. See page 12, 13 |
| When it is a vacant screen | - LCD gets shut down | Turn off power Re-turn on power, re-setting all conditions as previous ones |