Check The Basics - Keysight N8973B Service Manual

Boot Up and Initialization Troubleshooting

Check the Basics

Check the Basics

Before calling Keysight Technologies or returning the instrument for service,
please make the following checks:
1. Is there power at the power outlet? At the power receptacle on the
2. Is the instrument turned on? Check to see if the front panel LED is green,
3. If other equipment, cables, and connectors are being used with the
4. Review the procedure for the measurement being performed when the
5. If the instrument is not functioning as expected, return the unit to a known
6. Is the measurement being performed, and the results that are expected,
7. In order to meet specifications, the instrument must be aligned. Press
8. Check to see if the instrument has the latest instrument software before
9. Is the instrument displaying an error message? If so, refer to
10.If the necessary test equipment is available, perform the functional checks
46
instrument?
which indicates the power supply is on.
instrument, make sure they are connected properly.
problem appeared. Are all the settings correct?
state by pressing the Mode Preset key.
within the specifications and capabilities of the instrument? Refer to the
specifications book for specifications.
System, Alignments, Align Now, Align Now All. The diagnostic tests
should all pass. If the instrument displays a failure during these tests, refer
to "Fails an Initial Alignment" on page
starting the troubleshooting procedure. Press System, Show System. The
software revision is listed under Instrument S/W Revision. For more
information, refer to Chapter 18, "Instrument Software", on page
"Instrument Messages", on page 69
in Chapter 17, "Functional Tests", on page
62.
for more information.
487.
Keysight NFA Series Noise Figure Analyzers Service Guide
517.
Chapter 3,