Pfaff creative 1472 Owner's Manual - Page 75

7 Fault finding Cause 1. Machine skips stitches Needle not inserted correctly. Wrong needle used. Needle bent or blunt. Machine threaded improperly. Needle too thin for thread used. 2. Needle thread breaks For any of the above reasons. Thread tension too strong. Poor-quality or knotty thread used, or thread that has become too dry by excessive storage. 3. Needle breaks Needle not pushed up as far as it wit I go. Needle bent. Needle too thin or too thick. Needle bent and strikes needle plate because fabric is pushed or pulled. Bobbin case improperly inserted. 4. Seam Is not uniform Tension out of adjustment. Tread too thick, knotty or hard. Bobbin thread wound unevenly. Kinks appear on top and bottom of material. 4 Remedy- I-. Push needle up as far as it will go, its flat P-. shank side facing rear. Insert system 130/705 H needle. Insert new needle. Check threading. Insert thicker needle. See par 1 above. Regulate thread tensions Use Only good-quality thread. I 1 'I Jb Insert new needle and push it up as far as it will go. Insert new needle. Refer to needle table. Let machine feed the fabric, Only guide the material lightly. When inserting the bobbin case, push it in as far as it wilt go. Check upper and lower tensions. 6 Use first-class thread only. During bobbin winding, do not hold thread in hand, but pass it through the winder ten 6 sion stud. Thread machine properly and check both tensions. Cause: Remedy: 5. Machine feeds irregularly or not at all Lint has accumulated between tooth rows of teed dog. Feed dog lowered (Slide control is at right). Remove needle plate and remove lint with a soft brush. Push slide control to the left 6. Machine runs with difficulty Thread ends in hook raceway. Remove thread ends and put one drop of oil into hook raceway. 7. Electronic bobbin thread monitor does not work Thread ends and dirt have collected in the free arm cover over the sensor, in the hook raceway, in the bobbin case, behind the hook and on the second sen sor to the right behind the hook. Remove thread ends and dirt Special care should be taken in the area round the second sensor. 8. Machine does not sew the program entered Switch the machine off, wait about 30 seconds, then switch it on again. Again enter the desired program. 9. Machine can no longer be programmed If you find that it is not possible to program the computer although it is not filled up, the machine must be switched oft. Press key 47 "Correction B/L" after about 30 seconds, hold it down and switch the machine on again by actuating main switch 9 Release button 47. By means of this procedure the contents of both the M- and P-memory has been fully erased. Required program sequences and patterns must be entered once more. 10. The sewing lamp lights up, but the machine does not run Fuse is defective. Insert new fuse. Important: Before exchanging either sewing foot or needle, switch off master switch 9. Never run a threaded machine unless there is a piece of tabric 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. I 156 1E :-'-.-'