Could be the feed dogs are lowered to do darning. Here's a manual:
PFAFF 294 Instruction Book Page 11
See if the A/B switch makes any difference in the feed dogs.
Sometimes these old machines haven't been oiled like they should and it's possible the feed dogs are stuck in the lowered position. Also, if it was used a lot the feed dogs get worn and no longer work like they should.
×