Chassis indicator LEDs
Power LED and sound
activity
Diagnosis and service action
Blinks red 8 times, once per
second, then 2-second pause,
8 beeps
Invalid ROM based on bad checksum.
1. Reflash ROM.
2. Replace system board.
Blinks red 9 times, once per
second, then 2-second pause,
9 beeps
System powers on but is unable to boot.
1. Replace the system board.
2. Replace the processor.
Table 5-2 Diagnostic LED codes (continued)
110 Chapter 5 System diagnostics and troubleshooting ENWW
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