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Chapter 9
Appendix
CARE AND MAINTENANCE.........................338
Restrictions on oiling...................................................... 338
Precautions on storing the machine................................ 338
Cleaning the LCD Screen................................................ 338
Cleaning the Machine Casing.......................................... 338
Cleaning the Race........................................................... 338
Cleaning the Cutter in the Bobbin Case Area.................. 340
About the Maintenance Message.................................... 341
ADJUSTING THE SCREEN ............................342
Adjusting the Brightness of the Screen Display............... 342
Touch Panel is Malfunctioning........................................ 342
TROUBLESHOOTING..................................343
Frequent troubleshooting topics..................................... 343
Upper thread is too tight ................................................ 343
■ Symptom................................................................................343
■ Cause .....................................................................................343
■ Remedy..................................................................................343
Tangled thread on wrong side of fabric .......................... 344
■ Symptom................................................................................344
■ Cause .....................................................................................344
■ Remedy..................................................................................344
Incorrect thread tension................................................. 346
■ Symptoms...............................................................................346
■ Cause/remedy........................................................................346
Fabric is caught in the machine and cannot be removed 347
■ Removing the fabric from the machine..................................347
■ Checking machine operations................................................349
List of Symptoms............................................................. 350
ERROR MESSAGES........................................354
■ Alarm Sounds.........................................................................361
SPECIFICATIONS..........................................362
UPGRADING YOUR MACHINE’S
SOFTWARE...................................................363
Upgrade Procedure Using USB Media............................ 363
Upgrade Procedure Using Computer.............................. 364
STITCH SETTING CHART.............................365
INDEX...........................................................374