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Troubleshooting
Maintenance
6Ć38
Yes
No
Done.
No
Yes
This procedure assumes
that the oscilloscope is
up and running and you
can read the display.
Does
the Error Log
report any
errors?
Check the last
failure on the list.
Select the extended
diagnostics menu
and run all tests.
Is it an ACQ,
CPU, or DSP
failure?
Replace the Main
board.
No
Yes
Is it a front
panel error?
Perform the Front
Panel/Processor
troubleshooting
procedure (Figure 6Ć22).
No
Yes
Is
it an option
error?
The problem is most
likely the Option
module. Replace
module.
Yes
No
Does the
display report
any errors?
Done.
Run all the extended
diagnostics.
No
Yes
Does the
error still
occur?
Replace the Main
board.
Yes
No
Are any
failures
reported?
The oscilloscope
is ok.
Figure 6Ć21:ăModule Isolation Troubleshooting Procedure