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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.
7System 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.
8Invalid 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.
9System 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