Check The Basics - Keysight Technologies N9340B User Manual

Troubleshooting

Check the basics

Check the basics
This section includes information on how to check for a
problem with your Keysight spectrum analyzer, and how
to return it for service.
If you experience a problem or would like additional
information about your analyzer, Keysight Technologies'
worldwide organization is ready to provide the support
you need.
No operator serviceable parts inside. Refer servicing to
WA RN ING
qualified personnel. To prevent electrical shock, do not
remove covers.
• Before calling Keysight Technologies, or returning an
analyzer for service, perform the quick checks listed
below. This check may eliminate the problem.
• Is there power at the receptacle?
• Is the analyzer turned on? Listen for internal fan noise
to determine if the analyzer cooling fan is running.
Feel the rear side of the analyzer for air flow.
• If other equipment, cables, and connectors are being
used with your spectrum analyzer, make sure they are
connected properly and operating correctly.
• Review the measurement procedures being
performed when the problem first appeared. Make
sure all of the settings are correct.
• If the analyzer is not functioning as expected, return
the analyzer to a known state by pressing Preset
(Default Preset Type).
• Is the measurement being performed, and the results
that are expected, within the specifications and
capabilities of the analyzer? Refer to the Technical
Overview for your analyzer.
• Is the analyzer displaying an error message? If so,
refer to
146
"Error Messages" on page 139.