User Manual

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