Pfaff Tipmatic 1171 Owner's Manual - Page 12

Cause: Remedy: 5. Machine feeds irregularly or not at all Lint has accumulated between tooth rows of feed dog. Feed dog dropped. (Drop-feed control is at right.> Remove needle plate and clean out lint. Set drop-feed control at left. 6. Machine runs with difficulty Thread ends in hook raceway Remove thread ends and put a drop of oil into hook raceway. 7. The machine does not sew the stitches on the push-buttons (Models with fancy stitches> Fancy-stitch thumb-wheel is engaged Disengage thumb-wheel: set at white dot. 8. Electronic bobbin thread monitor does not work (tiptronic> Thread ends and dirt have collected in the free arm cover over the indicator lamp, in the hook raceway, in the bobbin case, behind the hook and on the second indi cator lamp to the right behind the hook. Remove thread ends and dirt. Special care should be taken in the area round the second indicator lamp. 9. The sewing lamp lights up, but the machine does not run. (tiptronic> Fuse is faulty. Insert new fuse. 10. Important note: Before exchanging either sewing foot or needle, switch off master switch 104. Never run a threaded machine unless there is a piece of fabric under the sewing foot. If you have to leave the machine, even for a short while, be sure to switch off the master switch. This is particularly important when children are around. 59