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CONTENTS
viii
A Appendix
Chapter 1 MAINTENANCE AND
TROUBLESHOOTING 2
Care and Maintenance.......................................... 2
Restrictions on oiling.............................................................. 2
Precautions on storing the machine........................................ 2
Cleaning the LCD Screen ....................................................... 2
Cleaning the machine surface ................................................ 2
Cleaning the race ................................................................... 2
About the maintenance message ............................................ 4
Touch panel is malfunctioning ............................................... 4
Operation beep ...................................................................... 4
Troubleshooting.................................................... 5
Frequent troubleshooting topics ............................................. 5
Upper thread tightened up ..................................................... 5
Tangled thread on wrong side of fabric .................................. 6
Incorrect thread tension.......................................................... 7
Fabric is caught in the machine and cannot be removed ........ 8
When the thread became tangled under the bobbin winder
seat ...................................................................................... 11
List of symptoms................................................................... 13
Error messages...................................................................... 19
Specifications ..................................................... 21
Upgrading your machine’s software using
USB flash drive ................................................... 22
Index .................................................................. 23
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