Cisco 2851 - Integrated Services Router User Manual page 117

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