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Troubleshooting
Getting Started with Troubleshooting
Getting Started with Troubleshooting
Where you begin troubleshooting depends upon the symptoms of the failure. If
a performance test or adjustment fails, refer to the troubleshooting
recommendations in the N7841A Help. For other failures, start by checking the
basics as outlined in the following section. Also review the flowchart in
4-1 on page
troubleshooting procedure to begin, to locate the failed assembly.
Check the Basics
A problem can often be solved by repeating the procedure you were following
when the problem occurred. Before calling Keysight Technologies or returning
the instrument for service, please perform the following checks:
1. Does the analyzer have power available? It is recommended that the
2. Does the analyzer turn On and Off when the On/Off Button is pressed?
3. Does the analyzer power up normally into CAT mode? If not, see
4. If other equipment, cables, and connectors are being used with the
5. Review the procedure for the measurement being performed when the
6. If the analyzer is not functioning as expected, return it to a known state by
7. If the problem is thought to be due to firmware, check to see if the
Troubleshooting Organization
Follow the flowgraph in
troubleshooting the analyzer.
4-4
4-5. You should then be able to determine where in the
battery is installed and the AC power adapter is also connected.
When the unit is on, the green LED below the button should light.
Up Troubleshooting" on page
analyzer, make sure they are clean, connected properly and operating
correctly.
problem appeared. Are all the settings correct? If not, correct them.
pressing the Preset key.
instrument has the latest firmware before starting the troubleshooting
procedure. Refer to
"Firmware Upgrades"
Figure 4-1
4-6.
in
Chapter 8
to help direct you to the correct section for
Keysight N9923A Service Guide
Figure
"Power
for instructions.
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Table of Contents
Troubleshooting
