1-5
Localizing the Problem
If Power-Up Checks FAILED
If Power-Up Checks FAILED
If the power up checks failed, continue with this section.
❒If the fan did not start, see "Troubleshooting the Power Supply", Chapter6.
❒Ifthe fan started, but any of the other power-up checks failed, see "Power-Up Self Test
Diagnostics".
❒If an error message occurs, refer to theAgilent 8922x Users Guide for additional
information.

Error Message Numbers

If the error message refers to a self test error it will be of the form:
One or more self tests failed: Error Code XXXX
Where xxxx corresponds to the error message number shown in the table below.
Table 1-1 Error Message Numbers
Failure Error
Number Suspect Assembly
Fatal Error - Host Processor Failure 0002 A7 Controller
Fatal Error - ROM Checksum Failure 0004 A8 Memory
Fatal Error - RAM Failure 0008 A8 Memory
Fatal Error - RAM Failure 0010 A8 Memory
Fatal Error - Timer Failure 0020 A7 Controller
Real Time Clock Failure 0040 A8 Memory
Keyboard Failure 0080 A1 Keyboard
Serial I/O Failure 0100 A21 GPIB
Internal Serial Bus Communication Failure 0200 Serial Bus
CRT Failure 0400 A19 CRT Drive
Miscellaneous Hardware Failure 0800 Miscellaneous H/W