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Fritz Gegauf BERNINA 1230 Service Manual page 22

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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.

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