Pfaff 1530 Owner's Manual - Page 80

Trouble-shooting

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Maintenance and trouble-shooting Trouble-shooting Problem: The machine skips stitches The needle is not properly inserted. The wrong needle is inserted Needle is bent or blunt. Machine is not properly threaded. Needle is too small for thread. Remedy: Push needle fully upwards, flat side facing the back. Use a needle system 130/705 H. Insert a new needle. Check how machine is threaded. Use a larger needle. Needle thread breaks See reasons above. Thread tension is too tight. Thread is poor or has slubs in it, or has become dry after too-long storage. Thread is too thick. See above. Adjust thread tension. Only use good threads. Use needle with large eye (System 130 N). Needle breaks off Needle is not pushed fully in. Needle is bent Needle is too thick or too thin Needle is bent, and has hit the needle plate because you are pulling or pushing the fabric. The bobbin case is not properly installed. Insert new needle and push fully in. Insert new needle. See needle chart (page 64) Let the machine feed the fabric. Only guide the fabric lightly When you insert the bobbin case, push it fully into the stop. Seam is sewn unevenly The tension needs adjusting Thread is too thick, slubbed or hard The bobbin thread is unevenly wound. Thread bunching at top or bottom side of fabric Check top and bottom tensions. Only use perfect threads Do not wind thread free-hand, but run it on through the winding tension. Thread up correctly. Check needle and bobbin thread tensions Machine does not feed or feeds irregularly Sewing lint has collected between the Remove needle plate, remove lint feed dog teeth rows with brush. Feed dog is lowered, slide A (see page 27) Push slide B (see page 27) to left. at right. Machine is running with difficulty There are thread remnants in the hook race Remove the threads and apply one drop of oil to the hook. Important note: Before you replace sewing feet or needles, you must switch off the main switch. Do not start the threaded machine without fabric in it. If you leave the machine, even for a short time, do not forget to switch off the main switch. This is important if children are nearby. 70

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70
Maintenance and trouble-shooting
Problem:
Remedy:
The machine skips stitches
The needle is not properly inserted.
Push needle fully upwards, flat side
facing the back.
The wrong needle is inserted
Use a needle system 130/705 H.
Needle is bent or blunt.
Insert a new needle.
Machine is not properly threaded.
Check how machine is threaded.
Needle is too small for thread.
Use a larger needle.
Needle thread breaks
See reasons above.
See above.
Thread tension is too tight.
Adjust thread tension.
Thread is poor or has slubs in it, or has
Only use good threads.
become dry after too-long storage.
Thread is too thick.
Use needle with large eye (System 130 N).
Needle breaks off
Needle is not pushed fully in.
Insert new needle and push fully in.
Needle is bent
Insert new needle.
Needle is too thick or too thin
See needle chart (page 64)
Needle is bent, and has hit the needle
Let the machine feed the fabric.
plate because you are pulling or
Only guide the fabric lightly
pushing the fabric.
The bobbin case is not properly installed.
When you insert the bobbin case,
push it fully into the stop.
Seam is sewn unevenly
The tension needs adjusting
Check top and bottom tensions.
Thread is too thick, slubbed or hard
Only use perfect threads
The bobbin thread is unevenly wound.
Do not wind thread free-hand,
but run it on through the winding tension.
Thread bunching at top or bottom
Thread up correctly. Check needle and
side of fabric
bobbin thread tensions
Machine does not feed or feeds irregularly
Sewing lint has collected between the
Remove needle plate, remove lint
feed dog teeth rows
with brush.
Feed dog is lowered, slide A (see page 27)
Push slide B (see page 27) to left.
at right.
Machine is running with difficulty
There are thread remnants in the hook race
Remove the threads and apply one drop
of oil to the hook.
Trouble-shooting
Important note:
Before you replace sewing feet or needles, you must switch off the main switch.
Do not start the threaded machine without fabric in it.
If you leave the machine, even for a short time, do not forget to switch off the main
switch. This is important if children are nearby.