Feed-Dog Drop - Bernina B 590 Service And Maintenance Manual

3d Feed-dog drop
Is used to check feed-dog drop sensor
Check:
• Select test 3d. A feed-dog drop checkbox appears.
• Press feed-dog drop key on belt cover.
• The colour of the checkbox changes to green.
• To return to section 3, press
Repair note:
Signal doesn't respond:
• Remove the covers
• Check mechanical function of feed dog
drop.
• Replace PCBA-Base
BERNINA International AG
.
(see 4.1).
(see 4.2.4).
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