Power Up Troubleshooting - Keysight N9912A Service Manual

Troubleshooting

Power Up Troubleshooting

Power Up Troubleshooting
If the display is operational but the unit does not boot up successfully into CAT
mode:
— Make sure there is sufficient power for the unit to operate.
— Try re-installing firmware using the firmware upgrade process described in
— Assume corrupted firmware on the A6 SOM board, follow the
If the display is dark but the unit may have booted successfully:
— Wait for two minutes to make sure the boot process has completed, then
4-6
Chapter 8.
Firmware from SD Card"
press any front panel key.
If the boot process has completed successfully, the keypad will flash when
the key is pressed.
near the end of Chapter
Keysight N9912A Service Guide
"Install
7.