Bernina Artista 640 User Guide - Page 106

106 Messages Raise presser foot The message disappears automatically if the presser foot was raised. Needle will penetrate presser foot or stitch plate. Check the settings in the Security screen. The sewing computer must be cleaned / lubricated. Corresponding instructions are on page 103 of the manual. This notification will appear after approx. 180,000 stitches. After cleaning/oiling clear the display by touching «OK». The display can be cleared temporarily by touching «ESC», but will appear again when restarting the sewing computer. After clearing with «ESC» for the third time, the cleaning notification will only appear again after a further approx. 180,000 stitches. Service Notification The sewing computer must be taken for a service to a BERNINA dealer. The notification will appear after approx. 2,000,000 stitches. If the service was done by the BERNINA dealer, the stitch counter will be on «0» again and the display does not appear anymore. The display can be cleared temporarily by touching «ESC», but will appear again when restarting the sewing computer. After clearing with «ESC» for the third time, the notification will appear again at approx. 4,000,000 stitches. Deleting or overwriting data , e.g. Drawers. Confirm with «OK» or cancel with «ESC». Main motor failed. Check hook system. Not enough memory on the USB stick. Remove any thread lint from the hook area / bobbin case. Deleta data on the USB stick