Pfaff expression 2014 Service Manual page 101

8 Buttonhole sensor
(buttonhole sensor test)
9 Main motor
(motor test)
10 OKAY
Remove buttonhole guide from "1" to "95"
Actuate foot control
Test completed
recognized, „ERROR" will
appear in the display.
Display appears in field
for length display.
If control is not actuated,
the width display field is
empty.
If the control is actuated,
the width display shows
actual reading: the standardized rpm
max. 85 (actual reading = e.m.f.)
and the length display
desired reading: shows the standardized
85 desired reading.
If control is not actuated
If the compari- during the period of rea-
son of the actual ding, or the r.p.m. are too
to the desired low, a error will be dis-
reading is all played.
right, "OKAY"
will appear in The program stops after
the display 12 secs and the motor
stops.
OKAY The program can only be
exited by turning off the
machine.
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