Keysight Agile Signal Generator Service Guide 21
Troubleshooting
A file in the instrument contains this dependency knowledge for the signal
generator to use when identifying the most independent failure. Therefore, if
A1, A2, and A3 self tests all fail, the signal generator reports A1 as the most
independent failure. If A1 passes, but A2 and A3 fail, self-test reports A2 as the
most independent failure. If A2 passes and A3 fails, self-test reports A3 as the
most independent failure. If two independent failures occur, self-test reports
only one failure at a time and reports the second failure after the first reported
failure is repaired. The troubleshooting procedure is based on the most
independent failure and no lower level information is needed. Although not
needed for troubleshooting the signal generator, the self-test overhead
provides features that enable you to view lower level detailed information
about the subroutines and to select specific routines to run.
These features include:
— Select/Deselect Test
— Select/Deselect All
—Run Highlighted Tests
—Run Selected Tests
—Loop Selected
— View Details - When View Details is selected, the measured value, lower,
and upper limits are displayed for the highlighted test.
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