Cisco Systems 474, 274 manual Interpreting Post Diagnostic Front Panel LEDs and Beep Codes

Chapter 5 Troubleshooting the System Hardware

Power-On Self Test (POST)

Table 5-10	Diagnostic Front Panel LEDs and Beep Codes (continued)
Control Panel Message		Description
Network Server Mode Active and No Keyboard		Keyboard failure while Network Server Mode
Attached		enabled.
Parity Check 2		Parity RAM failure.
System will not boot without fan		CPU fan not installed or disconnected in VSFF
		chassis.

Interpreting POST Diagnostic Front Panel LEDs and Beep Codes

		This section covers the front panel LED codes as well as the beep codes that may
		occur before or during POST that do not necessarily have an error code or text
		message associated with them.
		Table 5-11lists the recommended actions in the order in which they should be
		performed.
	Caution There are no customer-replaceable components inside your WAVE-274 or
		WAVE-474 appliance. All faulty components can only be replaced by a qualified
		service technician. Once you have identified a faulty component, contact the
		Cisco Technical Assistance Center (TAC).
Table 5-11	POST Diagnostic Front Panel LEDs and Beep Codes
Activity			Beeps	Possible Cause	Recommended Action
Green Power LED On.			None	Computer on.	None
Green Power LED flashes			None	Computer in Suspend to	None required. Press any key or
every two seconds.				RAM mode (some models	move the mouse to wake the
				only) or normal Suspend	computer.
				mode.

	Cisco Wide Area Virtualization Engine 274 and 474 Hardware Installation Guide
5-16	OL-17739-01