Bernette b77 - 12.2 Error messages

Errors and Faults
97
2022-08 EN 5020077.40A.04
Fault Cause Repair
Speed Too Low
Unfavorable room temperature. > Place the machine in a warm room one hour before use.
Settings in the Setup Program. > Adjust the sewing speed in the Setup Program.
> Adjust the slide.
The Machine doesn't Start
Unfavorable room temperature. > Place the machine in a warm room one hour before use.
> Connect the machine and switch it on.
The machine is damaged. > Contact the specialized bernette dealer.
The Light of the Button
«Start-/Stop» doesn't Light Up
Light is defect. > Contact the specialized bernette dealer.
Neither the Sewing Light Nor
the Light on the Freearm
Lights Up
Settings in the Setup Program. > Activate it in the Setup Program.
The sewing light is defect. > Contact the specialized bernette dealer.
Upper Thread Indicator Fails
to Respond
Settings in the Setup Program. > Activate it in the Setup Program.
The upper thread indicator is
defect.
> Contact the specialized bernette dealer.
Bobbin Thread Indicator
doesn't React
Settings in the Setup Program. > Activate it in the Setup Program.
The bobbin thread indicator is
defect.
> Contact the specialized bernette dealer.
12.2 Error messages
Message on the Display Cause Repair
???
This stitch number does not exist. > Check the entry and enter the new number.
!!!
Selection of stitch patterns not
possible in combi-mode.
> Check the entry and enter the new number.
The stitch number cannot be
selected in combi mode.
> Select other stitches.