Help
2-9
Solving Measurement
Problems
The
HP
8901B has been designed to feed back information about its
operating status. When the
HP
89018 detects that the input signal or
operating conditions are preventing it from making an accurate, reliable
measurement, it alerts you by placing an error or dash code in its display.
The circumstances that can cause the
HP
8901B 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 input 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 problem
and the errors that
can be caused
onZy
by
an operating problem
are listed in the chart below.
If
your instrument
is
displaying one of these errors, proceed
directly
to
Table
2-3.
RF
Frequency
and
Frequency Error, Error Codes,
and take the
recovery action recommended.
Input
Problem
Operating
Problem
I
I
Error
1
10
I
09,
12,
20
thru
24,
or
26
If
you
did
not find your error listed in the
chart
or
if
your instrument
is
displaying dashes or a questionable measurement, continue with the
following procedure.
1.
Press the
green
AUTOMATIC OPERATION
key.
This cancels all
function settings that can cause the
I-IP
8901B to display an error code.
2.
Compare the operating status of your
HP
8901B
after
pressing the
AUTOMATIC OPERATION
key with the following condition descriptions.
After you have identified the description that best describes your
instrument’s condition, take the action recommended for that condition.
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