4 APPENDIX
The various maintenance and troubleshooting procedures are described in this chapter.
Stitch Settings........................................................................................................134
Utility stitches..................................................................................................134
Other stitches...................................................................................................138
Care and Maintenance ..........................................................................................142
Restrictions on oiling
.........................................................................................142
Cleaning the machine surface
.............................................................................142
Cleaning the race .............................................................................................142
Troubleshooting ....................................................................................................144
Frequent troubleshooting topics.......................................................................144
Upper thread tightened up
.................................................................................144
Tangled thread on wrong side of fabric............................................................145
Incorrect thread tension...................................................................................147
Fabric is caught in the machine and cannot be removed .................................148
When the thread became tangled under the bobbin winder seat.....................151
List of symptoms ..............................................................................................153
Error messages .................................................................................................158
Nothing appears in the LCD.............................................................................159
Operation beep................................................................................................159
Cancelling the operation beep
............................................................................159
Index .....................................................................................................................161
