Pfaff hobbylock 774 Owner's Manual - Page 21

E. Sewing problems and solutions Used correctly, your machine should operate efficiently and without difficulty. However you my from time to time encounter the occasional problem which usually results from not carrying uiit various adjustments in the recommended manner. Listed below are the more common problems, together with their simple solution which shouki overcome most of these difficulties. Problem Cause Solution Needle breakage Needle is bent or point damaged Needle not correctly inserted Material pulled Insert new needle. Insert new needle correctly. Do not pull or push material during sewing. Thread breakage Skipped stitches Incorrectly threaded Thread has caught Thread tension too tight Needle not correctly inserted Incorrect needle used Needle bent or damaged Needle not correctly inserted Incorrect needle used Incorrectly threaded Thread correctly. Check whether thread is caught at the reel stand, etc. Regulate tension. Insert needle correctly. Use needle system 130/705 H only. Insert new needle. Insert needle correctly. Use needle system 130 /70 5H only. Thread correctly. Incorrect stitch formation Incorrect setting of thread tensions Set thread tensions correctly. Puckered seams Thread tension too tight Thread has caught due to incorrect threading Reduce thread tension Thread correctly Material is not fed correctly Sewing foot is not in the working Push the presser foot lever down. position 20