Chapter 2
A Appendix
Maintenance and Troubleshooting
CARE AND MAINTENANCE....................................19
Restrictions on oiling................................................................19
Precautions on storing the machine..........................................19
Cleaning the LCD Screen .........................................................19
Cleaning the Machine Casing ...................................................19
Cleaning the Race.....................................................................19
Cleaning the Cutter in the Bobbin Case Area............................21
About the Maintenance Message ..............................................21
ADJUSTING THE SCREEN .......................................22
Adjusting the Brightness of the Screen Display.........................22
Touch Panel is Malfunctioning..................................................22
TROUBLESHOOTING .............................................23
Frequent troubleshooting topics ...............................................23
Upper thread tightened up .......................................................23
■ Symptom..................................................................................23
■ Cause .......................................................................................23
■ Remedy/check details..............................................................23
Tangled thread on wrong side of fabric ....................................24
■ Symptom..................................................................................24
■ Cause .......................................................................................24
■ Remedy/check details..............................................................24
Incorrect thread tension...........................................................26
■ Symptoms ................................................................................26
■ Cause/remedy/check details....................................................26
Fabric is caught in the machine and cannot be removed..........27
■ Removing the fabric from the machine....................................27
■ Checking machine operations..................................................29
List of Symptoms.......................................................................30
ERROR MESSAGES...................................................34
SPECIFICATIONS.....................................................37
UPGRADING YOUR MACHINE’S SOFTWARE........38
Upgrade Procedure Using USB Media......................................38
Upgrade Procedure Using Computer........................................39
INDEX......................................................................40
