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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 ......................................................................... 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
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