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Troubleshooting
Fault
Lower thread indicator does not respond
Bobbin damaged or defective
Monitoring function is deactivated
Defective sensors
Check bobbin or replace if required
Activate monitoring functions in the Setup Program
Have the sewing-/ embroidery computer checked by a dealer
Update error
USB stick is not recognized
Update process is at a standstill (hour glass remains)
Use a BERNINA USB stick
Remove the stick and turn the sewing computer off and on
again. Proceed with the update as indicated by the message
Thread is caught in the area of the take-up
lever
Upper thread breaks
Upper thread slipped unvisibly back into the sewing
computer and wrapped itself around the thread
take-up lever
Cut thread near bobbin ►
Remove the cover to the left of the screen as follows:
with your left hand, insert the multifunction tool in the slot
►
on the left side of the cover and press the lock
with your right hand remove the cover facing the front ►
carefully remove thread remnants from the thread take-up ►
lever/regulator with tweezers
put on cover and press down at the back until it clicks into ►
place
Cause Repair
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