Self-Test Model 2014 And 2024 - Pfaff expression 2014 Service Manual

42. Self-test model 2014 and 2024

Step Display / Function
no.
Sewing machine
1
2
3
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
94
Visual Check / action
at machine
Machine without needle
Master switch off
Press pattern mirroring
key and actuate master
switch at the same time.
Visual check:
All indicator elements
must flash 5 times
Actuate the key shown
Nominal
machine display
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.
All indicator ele- Visual check negative:
change respective subas-
ments flash
sembly.
If one of the modules
returns an error, "ER" will
appear on the display
and the following tests
will be skipped.
The next key to A time span of approx.
be actuated is 12 secs is planned for
shown 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.
Remarks