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Troubleshooting Cisco 2800 Series Routers
OL-5789-01
Reading System LEDs
Table 1 System LEDs on Cisco 2800 Series Routers
LED
Indicator State Meaning Possible Causes and Corrective Actions
SYS PWR Off If the fan is not running—
• No output from the internal
power supply.
Power not switched on at the router.
Power not available from source.
Faulty input power wires or connections.
Failed power supply in the router. To replace the internal
power supply, refer to the “Replacing the Power Supply”
section of the “Installing and Upgrading Internal Modules
in Cisco 2800 Series Routers” online document.
If the fan is running—
• Router fault
Failure in one or more system board components. Contact
Cisco technical support. Refer to the “Obtaining Technical
Assistance” section of the “Cisco 2800 Series Hardware
Documents: Introduction and Warnings” online document.
Solid green Router is receiving power, and
the internal power supply is
functional.
Normal indication. No action required.
Blinking green During bootup, router is
booting up normally.
Normal indication. No action required.
After bootup, router is
operating in ROM monitor
mode.
Refer to the router rebooting and ROM monitor information
in the Cisco IOS Configuration Fundamentals
Configuration Guide for your Cisco IOS software release.
AUX/PWR Off IP power is not installed, and
RPS is not connected or not
powered up.
If RPS is connected, power it up to provide backup power.
Otherwise, no action is required.
Solid green IP power is functional, if
installed.
RPS is functional, if connected.
Normal indication. No action required for IP power or RPS.
Solid amber If RPS backup is not
connected, IP power output has
failed.
Replace AC power supply. Refer to the “Replacing the
Power Supply” section of the “Installing and Upgrading
Internal Modules in Cisco 2800 Series Routers” online
document.
If IP power is not installed,
RPS has failed.
Repair or replace the RPS. Refer to the Cisco RPS-675
Document.
If RPS backup is connected and
IP power is installed, either one
or both has failed.
Check RPS, and repair or replace if faulty. Refer to the
Cisco RPS-675 Document.
Check AC power supply, and replace if faulty. Refer to the
“Replacing the Power Supply” section of the “Installing
and Upgrading Internal Modules in Cisco 2800 Series
Routers” online document.