Bernina 1230 - Test C; S-1230 to L-4200 Connection Check

What is
to be tested
What
to adjust
Normal
condition
Connection
of
print S-1230 to
print 1230
- Take out
mains plug.
to print 1230
a)
Disconnect
connectors
from
print
Flat cord
5 pol, red
connectors
L- and S-4200
Flat cord
4 pol, green
connectors
b) Check
on the upper
side of the
connectors
with a
circuit tester or
ohmmeter
that each
wire is
continuous.
c) Test
every
wire as
described
in b).
/
• --
-
High pitched
tone!
Cord ok.
- Ohmmeter
shows
a small
resitance,
cord
ok.
Important:
If there
is no high
pitched
tone,
or the
display
of the ohmmeter
wavers
or
shows
infinite
resistance,
then the
cord
is defective.
Replace
connection.