Cisco Wide Area Virtualization Engine 274 Hardware Installation Manual page 72

Power-On Self Test (POST)
Table 5-11 POST Diagnostic Front Panel LEDs and Beep Codes (continued)
Activity
Red Power LED flashes four
times, once every second,
followed by a 2-second
pause. Beeps stop after fifth
iteration but LEDs continue
until problem is solved.
Red Power LED flashes five
times, once every second,
followed by a 2-second
pause. Beeps stop after fifth
iteration but LEDs continue
until problem is solved.
Red Power LED flashes six
times, once every second,
followed by a 2-second
pause. Beeps stop after fifth
iteration but LEDs continue
until problem is solved.
Cisco Wide Area Virtualization Engine 274 and 474 Hardware Installation Guide
5-18
Beeps Possible Cause
4 Power failure (power supply
is overloaded).
5 Pre-video memory error.
CAUTION: To avoid
damage to the DIMMs or the
system board, you must
unplug the computer power
cord before attempting to
reseat, install, or remove a
DIMM module.
6 Pre-video graphics error.
Chapter 5 Troubleshooting the System Hardware
Recommended Action
Open the hood and ensure
1.
the 4 or 6-wire power supply
cable is seated into the
connector on the system
board.
Check if a device is causing
2.
the problem by removing all
attached devices such as
hard drives, optical drives,
and expansion cards. Power
on the system. If the system
enters the POST, then power
off and replace one device at
a time and repeat this
procedure until a failure
occurs. Replace the device
that is causing the failure.
Continue adding devices one
at a time to ensure that all
the devices are functioning
properly.
Contact Cisco TAC.
3.
Reseat DIMMs.
1.
Contact Cisco TAC.
2.
Contact Cisco TAC.
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