Bernina 1230 - Test M; Prints A-4200 and S-4200 Functionality

What
is to
be
tested
What
to
adjust
Normal
condition
Print
A-4200
Switch
mains
supply
off
Print
S-4200
- Connect
up the
4200 supply
unit to the
....
sewing
light,
main
motor,
connecting
cable
to print S-1230
(4-pole
green,
control
signals),
the connecting
cable
to print
S-1230
(5-pole
red,
supply).
-
Switch-on
supply
unit.
- Check
display
panel
-
Bar graphs
can
be adjusted.
For each
button
depressed,
the
associated
LED
illuminates.
-
Start
service
programme
(page
17).
- Step
motors
rotate
back
and forth.
Select
service
test
programme
6.
Check
LEDs
SL
and SB
flash
at the
same
frequency
as stepping
motor
motion.
-
Motor
switch
<on>
- Motor
runs
Important:
Directive:
If the
above
tests
all function
Print
S-1230 must be
replaced, and
the test repeated
if the display panel
is not
with the
mains device, then
the fault can
illuminated,
or if step
motors do
not rotate.
Replace
print A-1
230 if faults
occur
on
only
be in the
L-print. See
test A.
the
display
panel.
-
If the
motor
doesn't
run,
exchange
the
motor.
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0
0
0