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Cisco Wide Area Virtualization Engine 274 and 474 Hardware Installation Guide
OL-17739-01
Chapter 5 Troubleshooting the System Hardware
Power-On Self Test (POST)
Red Power LED flashes
seven times, once every
second, followed by a
2-second pause. Beeps stop
after fifth iteration but LEDs
continue until problem is
solved.
7 System board failure (ROM
detected failure prior to
video).
Contact Cisco TAC.
Red Power LED flashes
eight times, once every
second, followed by a
2-second pause. Beeps stop
after fifth iteration but LEDs
continue until problem is
solved.
8 Invalid ROM based on bad
checksum.
Contact Cisco TAC.
Red Power LED flashes nine
times, once every second,
followed by a 2-second
pause. Beeps stop after fifth
iteration but LEDs continue
until problem is solved.
9 System powers on but is
unable to boot.
Contact Cisco TAC.
Table 5-11 POST Diagnostic Front Panel LEDs and Beep Codes (continued)
Activity Beeps Possible Cause Recommended Action