5 APPENDIX
The various maintenance and troubleshooting procedures are described in this chapter.
Care and Maintenance ..........................................................................................180
Cleaning the machine surface ..........................................................................180
Cleaning the race .............................................................................................180
Cleaning the bobbin case .................................................................................181
Troubleshooting ....................................................................................................182
Error messages .................................................................................................187
Adjusting the LCD............................................................................................190
Operation beep................................................................................................190
Canceling the operation beep ..........................................................................191
Upgrading Your Machine’s Software Using USB Media ........................................192
Index .....................................................................................................................193
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