Pfaff expression 2014 Service Manual page 100

14=store pattern sequence
15=clear
16=prog. sel. key left
17=prog. sel. key right
18=stitch width -
19=stitch width +
20=stitch length -
21=stitch length +
22=correction -
23=correction +
24=info
25=pattern mirroring
26=slow
27=needle lowered
28=sewing off
29=reverse sewing key
5 Stepping motor
(stepping motor test)
6 Foot control
(foot control test)
7 Pos. Detector
(Synchronizer test)
98
Visual check:
Both stepping motors
rotate through the stroke
5 times
Press foot control slowly
as far as it will go twice.
Turn the handwheel evenly
to the front
5 According to the stan-
4 dard, both stepping
3 motors rotate through the
2 stroke 5 times alternately,
1 no error must occur.
from "0" - "85" If control is not actuated,
the width display is
empty.
Message: If control is actuated, the
"OK" or width display will show
"ERROR" the standardized foot
control reading.
The display value must
count from 0 - 85.
If this isn't the case, the
foot control is faulty.
If control is not actuated
during the period of rea-
ding, an error will be regi-
stered.
Display appears If all signals are recogni-
in field for pat- zed, the message
tern display "OKAY" will appear in the
display.
If a signal has not been