Getting Started With Troubleshooting; Check The Basics; Troubleshooting Organization - Keysight N9912A Service Manual

Troubleshooting

Getting Started with Troubleshooting

Getting Started with Troubleshooting
Where you begin troubleshooting depends upon the symptoms of the failure.
Start by checking the basics as outlined in the following section. Also review
the flowchart in
where in the 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
Figure 4-1 on page
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
4-5. You should then be able to determine
4-6.
in Chapter 8
to help direct you to the correct section for
Keysight N9912A Service Guide
"Power
for instructions.