Bernina 740 Manual page 120

Malfunction
Sewing speed too low
The machine doesn't start
The light of the «Start-/Stop»
button doesn't light up
Neither the sewing light nor
the light on the free arm lights
up
Upper thread indicator doesn't
react
Error during software update
Cause
Unfavorable room temperature.
Settings in the Setup Program.
Unfavorable room temperature.
The machine is damaged.
Light is defect.
Settings in the Setup Program.
The sewing light is defect.
Settings in the Setup Program.
The upper thread indicator is
defect.
USB stick is not recognized.
The update process is blocked
and the hourglass on the display
is inactive.
Date of the software update
cannot be found.
036044.50.04_2014-09_Manual_740_EN
Repair
> Put the machine into a room with room temperature 1
hour before starting to sew.
> Program the sewing speed in the Setup Program.
> Adjust the sewing speed via the slide.
> Put the machine into a room with room temperature 1
hour before starting to sew.
> Connect the machine to the power supply system and
switch it on.
> Contact your BERNINA specialized dealer.
> Contact your BERNINA specialized dealer.
> Im Setup Program einschalten.
> Contact your BERNINA specialized dealer.
> Activate it in the Setup Program.
> Contact your BERNINA specialized dealer.
> Use a BERNINA USB Stick.
> Remove the USB Stick.
> Switch the machine off.
> Switch the machine on.
> Follow the instruction on the display.
> Unzip the compressed ZIP file.
> Save data for the software update directly on the data
medium and not in a file on the USB Stick.
Attachment
121