Bernina 1090 - Ret-Button; Q Sewing-Off

Test-Programmes with Service-Panel
Holl sensor position
for stitch length
Ноћ sensor position
for stitch width
* Setting min. and max.
position of SB ond SL
Sewing of
Pinning position
for step motors SL and SB
Forward-reverse
feed equalization
Siep motor/ Hall sensors
Test-Programmes
Digital analog foot control
Drive signal
Ret button
Position indicator /P-print
Bobbin winder motor switch
* This test must be carried
oul whenever the control chassis
has been disassembled and reassembled.
16 we
See also service manual 1130
Page 64 o (see also BERNINA
Information No. 78)
Section 49, resp. 53
pages 374.41
Section 41, pages 32+33
Page 64