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Help
3-9
The circumstances that can cause the HP
8902A
to display an error code are
classified into one of two categories:
0
input Problem, caused by input signal conditions, or
0
Operating Problem, caused by the selection of incompatible operating
functions.
Certain errors are caused only by an inpuf problem, other errors are caused
only by an operating problem, and some errors can be caused by either.
The errors that can be
caused
only by an input probIem and the errors that
can be caused only by an operating problem are listed in the chart below.
If your instrument is displaying one of these errors, proceed directly to
Table
3-1.
Modulation and Audio Error Codes and take the recovery
action recommended.
If you did not find your error listed in the
chart,
or if your instrument is
displaying dashes or a questionable measurement, perform the
following procedure.
1.
Press the green
AUTOMATlC OPERATION
key.
This cancels
all
2.
Compare the operating
status
of your
HP
8902A
after
pressing
the
function settings that can cause the
€4" 8902A
to display an error code.
AUTOMATIC OPERATION
key
with
the
following
list of conditions.
After you have identified the description that best describes your
instrument's condition, take the action recommended for that condition.
Same
Error
If the error or reading remains the same after the
AUTOMATIC OPERATION
key has been pressed, the error is being caused by an input problem.
Look up the error code in Table 3-1 and take the action recommended for
"Input Problem".
NO Effof
If the error goes away after the AUTOMATIC OPERATION key has
been pressed, the error was caused by an operating problem. Look
up the error code in Table
3-1 and take the action recommended for
"Operating Problem".
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