Maintenance - 33
Bobbin thread breaks
Did you insert the bobbin properly? Check the bobbin thread.
Is the stitch plate hole damaged? Change the stitch plate.
Is the bobbin area clean? Clean lint from bobbin area and use only the original
PFAFF® bobbins approved for this model.
Is the bobbin wound correctly? Wind a new bobbin.
The seam has uneven stitches
Is the thread tension correct? Check needle thread tension and the threading.
Are you using too thick or slubbed thread? Change the thread.
Is the bobbin thread evenly wound? Check bobbin winding.
Is a correct needle used? Insert a proper needle correctly as described.
The machine does not feed or feeds irregularly
Did you thread the machine properly? Check how the machine is threaded.
Has sewing lint collected between the feed
dogs?
Remove the stitch plate and clean the feed dogs with a
brush.
Have your sewing machine serviced regularly by your local authorized PF
AFF® dealer!
If you have followed this trouble shooting information and still have problems, take your sewing machine
to your dealer. If there is a speciÀ c problem, it is a great help to test sew with your thread on a scrap of
your sewing fabric and bring it to your dealer. A sewing sample will often give much better information
than words.
Non-original parts and accessories
The warranty does not cover any defect or damage caused by use of non-original accessories or parts.
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