AAppendix

Chapter 2

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