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Step 5
(from Step 4)
The failure may be caused by the last CPU card (CPU) or memory card (MC) installed. To
isolate the failing card, do the following:
1. Set the power button on the CPU Enclosure to Off.
2. Unplug both PDB outlet power cords from both power supply power cords.
3. Exchange the last card installed (CPU or memory).
4. Plug both PDB outlet power cords into both power supply power cords.
5. Set the power button on the CPU Enclosure to On.
6. Wait for one of the following conditions to occur:
The Maintenance Menu is displayed.
The same three digit number is displayed in the operator panel display for longer than
three minutes except for the number 165 which may display for up to ten minutes with
no activity on the BUMP console.
The number 888 is flashing in the operator panel display.
Is the maintenance menu displayed?
NO
YES
Go to Step 6.
Go to "Map 0410: Repair Checkout" in the Diagnostic Information For Micro
Channel Bus Systems .
Maintenance Analysis Procedures (MAPs)
3-1540-7
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