Table of Contents
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Step 1
(from Step 3, 6, 7, 9, 10, 17)
1. Ensure that the diagnostics and the operating system are shut down.
2. Turn the key mode switch to the Service Position.
3. Sometimes an SRN or Error Code will be logged in the BUMP Error Log. Before
proceeding, check the BUMP Error Log for any SRNs or Error Codes. This is done as
follows:
a. Power off
b. Enable the BUMP Console Flag and disable the Autoservice IPL flag. This is done as
follows:
– Press Enter
– Type sbb and Press Enter
– Select Set Flags
Note: Ensure BUMP console is enabled and Autoservice is disabled.
– Exit the Standby menu.
c. Power on
d. When the Maintenance Menu appears, display the BUMP Error Log.
e. If an SRN is logged, record it and any location codes. Location Codes are separated
by a blank. Perform the listed action. An SRN will be preceded by 888 103.
f. If no SRN is logged, check for an Error Code. If an Error Code is logged, record it
and any location code. Location codes are separated by a blank. Perform the listed
action. Look up the Error Code for possible FRUs.
g. If nothing is logged, proceed to the next substep.
4. Set the power button on the CPU Enclosure to Off.
5. Unplug both PDB outlet power cords from both power supply power cords.
6. Plug both PDB outlet power cords into both power supply power cords.
7. Set the power button on the CPU Enclosure to On.
8. Insert the diagnostic CD-ROM disc into the CD-ROM drive.
9. Find the symptom in the following table that best matches the symptom on your system,
and then perform the associated task.
3-1540-2
Service Guide
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