8.6 Performing the Multiplexer Unit Self-test
166
This section describes how to verify proper Multiplexer Unit operation.
Do not connect any measurement leads to the measurement terminals on the front of the
instrument.
8.6 Performing the Multiplexer Unit Self-test
1
Open the Settings Screen.
2
Open the System Setting Screen.
3
Perform the self-test.
4
Return to the Measurement screen.
The Settings screen
appears.
Switch the function menu
to P.2/3.
1
2
Move the cursor to the [SYS]
tab with the left and right cur-
sor keys.
Select SELF TEST.
(SELF TEST is displayed only
when TERMINAL is set to MUX.)
1
Perform the self-test.
2
A short-circuit resistance value check
and contact switching count check will
be performed, and the results will be
displayed.
Example self-test results
If the display shows “Blown FUSE.,”
the measurement circuit’s protective
fuse has been tripped. Replace the
fuse.
See: "14.2 Replacing the Measurement Cir-
cuit’s Protective Fuse"(p.300)
Return to the
Measurement screen.
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