Brand: AEG
Category: Sewing Machines
Document Type: Manual
Language: EN
Manual for 123
Uploaded: April 20, 2026, 7:54 p.m.
GETTING READY TO SEW
Connecting the Machine to the Power Supply
- Make sure voltage and frequency match the machine's specifications.
- Fit the nonreversible plug into the cord socket and plug into the power supply.
Foot Control
- Sewing speed is controlled by the foot pedal.
- Pressing harder increases speed.
Sewing Light
- Located behind the face plate.
- Remove face plate by turning screw counter-clockwise.
- To replace bulb: Turn left to remove, turn right to replace.
Extension Table (Accessory Storage Box)
- Provides added sewing surface, removable for free arm sewing.
- To attach: Push table towards machine, align pins.
- To remove for free arm sewing: Pull table away from machine.
To Snap On and Snap Off the Presser Foot
- To snap off: Raise needle to highest position, raise presser foot, press lever on foot holder.
- To snap on: Place foot, align pin under groove, lower foot holder to lock.
Changing Needles
- Switch off and unplug the machine.
- Undo needle clamp screw, remove old needle.
- Insert new needle with flat side away, push up fully, tighten screw.
- Thread the needle.
- Reconnect and switch on.
Troubleshooting and error codes
| PROBLEM | PROBABLE CAUSE | REMEDY |
|---|---|---|
| Machine not operating correctly or noisy | 1. Hook contaminated 2. Feed dog contaminated |
Page 21 Page 21 |
| Upper thread breaks | 1. Incorrect threading 2. Poor quality of thread 3. Incorrect thread tension 4. Bent or blunt needle |
Page 10 Use good quality sewing thread Page 11 Page 8 |
| Lower thread breaks | 1. Incorrect threading 2. Bent, broken or incorrect bobbin 3. Dirty bobbin case 4. Incorrect needle insertion |
Page 9/10 Use original bobbins Page 21 Page 8 |
| Needle breaks | 1. Incorrect needle insertion 2. Bent or blunt needle used 3. Needle too thin for material 4. Sewed over buttons, zippers, etc. |
Page 8 Page 8 Page 8 Sew slowly when near buttons, etc. |
| Skipped stitches | 1. Incorrect needle insertion or bent needle 2. Hook damaged 3. Incorrect needle used 4. Incorrect threading |
Page 8 Contact your service hotline Page 8 Page 10 |
| Needle hits needle plate when sewing | 1. Incorrect thread tension 2. Incorrect needle 3. Incorrect stitch for fabric |
Page 8 Test stitch on scrap fabric before sewing Page 11 Page 8 |
| Fabric transported unevenly | 1. Feed dog contaminated 2. Stitch length too short |
Page 21 Change stitch length |
| Machine has no function | 1. Not switched on 2. Power plug not inserted |
Page 5 Page 6 |
| Machine blocked or not sewing | 1. Broken needle tip jammed in hook race 2. Machine set to bobbin winding 3. Bent needle stuck |
Fix the locking ring on the handwheel Page 8 |