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Chapter 2
A Appendix
Maintenance and Troubleshooting
CARE AND MAINTENANCE....................................15
Restrictions on oiling................................................................15
Precautions on storing the machine..........................................15
Cleaning the LCD Screen .........................................................15
Cleaning the Machine Casing ...................................................15
Cleaning the Race.....................................................................15
Cleaning the Cutter in the Bobbin Case Area............................17
About the Maintenance Message ..............................................17
ADJUSTING THE SCREEN .......................................18
Adjusting the Brightness of the Screen Display.........................18
Touch Panel is Malfunctioning..................................................18
TROUBLESHOOTING .............................................19
Frequent troubleshooting topics ...............................................19
Upper thread tightened up .......................................................19
■ Symptom..................................................................................19
■ Cause.......................................................................................19
■ Remedy/check details..............................................................19
Tangled thread on wrong side of fabric ....................................20
■ Symptom..................................................................................20
■ Cause.......................................................................................20
■ Remedy/check details..............................................................20
Incorrect thread tension...........................................................22
■ Symptoms ................................................................................22
■ Cause/Remedy.........................................................................22
Fabric is caught in the machine and cannot be removed..........23
■ Removing the fabric from the machine....................................23
■ Checking machine operations..................................................25
List of Symptoms.......................................................................26
ERROR MESSAGES...................................................29
SPECIFICATIONS.....................................................31
UPGRADING YOUR MACHINE’S SOFTWARE........32
Upgrade Procedure Using USB Media......................................32
Upgrade Procedure Using Computer........................................33
INDEX......................................................................34