Bernina 1230 - Test N; Ret-Button (Reverse Button) Test

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What
is
to be
tested
What
to adjust
Normal
condition
Ret-Button
- Initial state
of service
operation
(Reverse
button)
(page
17)
- Depress
ret-button
- LED
Ret> is illuminated
I/-
,Z
Ret-button
z
0
Repair
instructions:
- LED Ret
is not illuminated:
- A
check should
first be
made
as to whether
the switch
is
being
actuated.
If this
is not
the case,
then
the
switch
activater
should
be
mechanically
adjusted
(travel
increased)
until
the switch
is actuated.
The
following
procedure
shold
be
followed
if the LED
(Ret)
is still
not
illuminated.
-
Remove
the P203
6-pole
black
plug connection
at the S-print.
- Connect
new
Ret-print.
- Manually
actuate
the switch,
LED
(Ret)
illuminates.
- Replace
Ret-print.
- Re-adjust
buttonholer/potentiometer.
CA)