Cisco Systems 694 See the “Undetermined Problems” section on page, Symptom, Cause and Action

Chapter 6 Troubleshooting the System Hardware

Error Symptoms

Table 6-4	Intermittent Problems
Symptom		Cause and Action
A problem occurs only		1.	Verify the following items:
occasionally and is difficult to			a. All cables and cords are connected securely to the rear of the
detect.
			appliance and attached hardware options.
			b. When the appliance is powered on, air is flowing from the
			rear of the appliance at the fan grille. If there is no airflow, the
			fans are not working. This causes the appliance to overheat
			and shut down.
		2.	Check the system error log.
		3.	See the “Undetermined Problems” section on page 6-4.
Table 6-5	Memory Problems
Symptom		Cause and Action
The amount of system		1.	Verify the system fault LED is not lit on the front panel.
memory displayed is less than		2.	Verify the correct number of DIMMS are present (including serial
the amount of physical
			numbers) using the show hardware command.
memory installed.
		3.	Check for memory alarms using the show alarms command.
Table 6-6	Hardware Option Problems
Symptom		Cause and Action
A hardware option that was		1.	Verify the following items:
just installed does not work.			a. The hardware option is designed for the appliance.
			b. You followed the installation instructions that came with the
			hardware option.
			c. The hardware option is installed correctly.
			d. You have not loosened any other installed hardware options
			or cables.
		2.	Check the hardware option that you just installed.
A hardware option that used to		1. Verify that all of the hardware options and cable connections are
work does not work now.			secure.
		2.	Check for a failing hardware option and replace it if necessary.

Cisco Wide Area Virtualization Engine 594 and 694 Hardware Installation Guide

OL-24619-02 6-7