Bernina 1230 - Test E; S-1230 to Foot Control Connection

What is to be tested What to adjust
Normal condition
Connection of print S-1 230 to foot - Take out mains plug.
control
plug.
a)
Remove
2
pin
black,
foot
control
plug from print S-1 230.
b) On
the upper connection side of the
print check with the circuit maker or
ohmmeter that a circuit can be made
between these and the foot control
plug.
c) Both connections on foot control plug
have to be tested as described
above.
m/
- Hith pitched tone! Cord ok.
Ohmmeter
shows a small
resistance,
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 cord.