4 APPENDIX
The various maintenance and troubleshooting procedures are described in this chapter.
Stitch Settings........................................................................................................120
Utility stitches ..................................................................................................120
Other stitches...................................................................................................124
Care and Maintenance ..........................................................................................126
Restrictions on oiling........................................................................................126
Cleaning the machine surface
.............................................................................126
Cleaning the race .............................................................................................126
Removing the needle plate ...............................................................................127
Troubleshooting ....................................................................................................128
Frequent troubleshooting topics.......................................................................128
Upper thread tightened up
.................................................................................128
Tangled thread on wrong side of fabric............................................................129
Incorrect thread tension...................................................................................131
Fabric is caught in the machine and cannot be removed .................................132
When the thread became tangled under the bobbin winder seat .....................135
List of symptoms ..............................................................................................137
Error messages .................................................................................................142
Nothing appears in the LCD.............................................................................144
Operation beep ................................................................................................144
Cancelling the operation beep
............................................................................144
Index .....................................................................................................................146
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