Bernette b77 - 11.5 Oiling the Needle Bar

Appendix
91
2020-02 EN 5020077.20A.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 a specialized bernette dealer.
The light of the button
«Start-/Stop» doesn't light up
Light is defect. > Contact a specialized bernette dealer.
Neither the sewing light nor
the light on the free arm
lights up
Settings in the Setup Program. > Activate it in the Setup Program.
The sewing light is defect. > Contact a specialized bernette dealer.
Upper thread indicator
doesn't react
Settings in the Setup Program. > Activate it in the Setup Program.
The upper thread indicator is
defect.
> Contact a 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 a specialized bernette dealer.