Pfaff expression 2014 Service Manual page 103

14=store pattern sequence
15=clear
16=monograms italics
17=stitch width -
18=stitch width +
19=stitch length -
20=stitch length +
21=correction -
22=correction +
23=info
24=pattern mirroring
25=slow sewing
26=needle lowered
27=sewing off
28=reverse sewing key
5 DIAL
turn left and right (pro-
gram selection key test)
6 Stepping Motor
(stepping motor test)
7 Foot control
(foot control test)
Turn dial to the left and
the to the right
Visual check:
Both stepping motors rota-
te through the stroke 5
times
Press foot control slowly
as far as it will go twice.
"50" in mono- Counts backwards and
gram window the forwards.
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.
101