Agilent Technologies ENA Series Service Manual page 98

Troubleshooting
Booting Process Troubleshooting
Figure 4-8 Firmware revision and option information
If the display whited out, entirely blued or appeared with a dialog box, a mass storage
problem is suspected. Try to perform the mass storage recovery procedure.
NOTE
If a message of "Will Shut Down in Five Seconds" is displayed in place of "Initializing.."
and the shutdown occurs, the A21 board fails in starting up. The following message may be
displayed before the shutdown occurs:
"Fatal Error: Failed to Initialize DSP Driver":
or "Fatal Error: Failed to Initialize DSP":
This message indicates that the A21 board doesn't work or is not properly connected to the
A20.
"Fatal Error: Failed to Update DSP Code":
If this happened, the A21 board failed in writing DSP program into flash ROM when the
firmware was installed first or updated to the newest version. A problem in the A21 or A20
is suspected.
Step 4. Measurement view
The measurement view as shown in Figure 4-9 is displayed after the system initialization is
completed without problem.
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