
Interpreting the Operator Control Panel Power-Up Display
How to Determine the Status of CPU Tests
If a CPU fails during power-up, the Halt button LED on the
operator control panel lights for a few seconds and the power-up
/diagnostic display
CPU STATUS
message shows the failing CPU
(‘‘F’’ indicates failure).
You can also use the following firmware commands to examine
the status of CPU tests or to see if errors are logged to a CPU.
•
show fru
, described in the next section
•
show config
, described in Chapter 3
Troubleshooting the System
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