Bernina 555 User Manual page 161

Troubleshooting
Fault
Display is inactive
Stitch width not
adjustable
Sewing-/
Embroidery
computer
Upper thread
indicator does not
respond
Update error
LED sewing light
do not light up
General
Explanation
Sewing-/
Embroidery
computer
160
Cause
̶ Calibration data incorrect
̶ ECO-function active
̶ Setting activated in the security
program
̶ Sewing computer fails to run or runs slowly
̶ Turn power switch to «0» (off)
̶ Not activated in the Setup Program
̶ USB stick is not recognized
̶ Update process is blocked (hourglass
stays on display)
̶ Update-data aren't identified
̶ LED defective
̶ deactivated in the Setup-Program
Repair
̶ Deleting or overwriting data, e.g.
drawers
̶ Stitch number not known in direct entry
̶ Stitch selection not possible in the
combination mode
̶ Raise the presser foot
̶ Lower the presser foot
0365315.0.04_2015-05_Manual_B570QE-B555_EN
Repair
⦁ re-calibrate the Display in the Setup Program
⦁ turn off ECO function
⦁ deactivate setting
⦁
alter the speed control
⦁
place the sewing computer in a warm room one hour before use
⦁
turn the power switch to «I» (on)
⦁
take the sewing computer to the nearest authorized
BERNINA dealer
⦁
activate in the Setup Program
⦁ 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
⦁ don't save update-data in a folder
⦁ unzip update-data
⦁ take the sewing-/embroidery computer to the nearest
authorized BERNINA dealer
⦁ activate in the Setup Program
Messages
⦁
confirm with or cancel with
⦁ check command entered and enter a new number
⦁ make another selection
⦁
the presser foot is raised
⦁
the presser foot is lowered