Pfaff EXPRESSION 2014, Service Manual, Page: 103 / 112

101
5 DIAL
turn left and right (pro-
gram selection key test)
Turn dial to the left and
the to the right
"50" in mono-
gram window
Counts backwards and
the forwards.
6 Stepping Motor
(stepping motor test)
Visual check:
Both stepping motors rota-
te through the stroke 5
times
5
4
3
2
1
According to the stan-
dard, both stepping
motors rotate through the
stroke 5 times alternately,
no error must occur.
7 Foot control
(foot control test)
Press foot control slowly
as far as it will go twice.
from "0" - "85"
Message:
"OK" or
"ERROR"
If control is not actuated,
the width display is
empty.
If control is actuated, the
width display will show
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.
14=store pattern sequence
15=clear
16=monograms italics
17=stitch width -
18=stitch width +
19=stitch length -
20=stitch
21=correction -
22=corr
23=info
24=pattern mirroring
25=slow sewing
26=needle lowered
27=sewing off
28=reverse sewing key