94
Step
no.
Display / Function
Sewing machine
Visual Check / action
at machine
Nominal
machine display
Remarks
42. Self-test model 2014 and 2024
1
Machine without needle
Master switch off
2 Press pattern mirroring
key and actuate master
switch at the same time.
TE After releasing both keys,
you have to wait for a
period of 3 secs. which is
shown on the display.
If no display use faultfin-
ding chart.
3 Visual check:
All indicator elements
must flash 5 times
All indicator ele-
ments flash
Visual check negative:
change respective subas-
sembly.
If one of the modules
returns an error, "ER" will
appear on the display
and the following tests
will be skipped.
4 KY
(keytest)
0=sewing on buttons
1=straight stitch
2=stretch triplestraight
stitch
3=zigzag stitch
4=elastic stitch
5=blind stitch
6=elastic blind stitch
7=overlock stitch
8=faggoting stitch
9=buttonhole
10=prog. sel. key left
11=prog. sel. key right
12=stitch width -
13=stitch width +
14=stitch length
15=stitch length +
16=correction -
17=correction +
18=reverse key
Actuate the key shown The next key to
be actuated is
shown
A time span of approx.
12 secs is planned for
each key actuation.If the
key is not pressed within
this time span, the next
key to be actuated is dis-
played and the non-
actuation of the key is
registered as an error and
displayed at the end of
the program.
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