Cisco Systems OL-27407-01 manual 2describes the WiFi LED for the Cisco 812 ISR, Color Description

Chapter 1 Product Overview

Cisco 810 Series

Table 1-2describes the WiFi LED for the Cisco 812 ISR.

Table 1-2	Cisco 812 ISR WiFi LED Descriptions
Message Type		Color	Description
Boot loader status sequence		Blinking Green	DRAM memory test in progress.
			DRAM memory test is OK.
			Board initialization in progress.
			Initializing FLASH file system.
			Initializing Ethernet.
			Ethernet is OK.
			Starting Cisco IOS.
			Initialization successful.
Association status		Green	Normal operating condition with no
			wireless client associated.
		Blue	Normal operating condition with at least
			one wireless client associated.
Operating status		Blinking Blue	Software upgrade in progress.
		Rapidly cycling through	Access point location command invoked.
		Blue, Green, Red, and
		White
		Blinking Red	Ethernet link not operational.
		Yellow	Router is powered up.
			FPGA download is complete.
		Blinking Green	LED blinks four times when ROMMON is
			up.
Boot loader warnings		Blinking Blue	Configuration recovery in progress.
			(MODE button pushed for 2 to 3 seconds)
		Red	Ethernet failure.
		Blinking Green	Image recovery in progress (MODE button
			released).
Boot loader errors		Red	DRAM memory test failure.
		Blinking Red and Blue	FLASH file system failure.
		Blinking Red and Off	Environment variable failure.
			Bad MAC address.
			Ethernet failure during image recovery.
			Boot environment failure.
			No Cisco image file.
			Boot failure.

Cisco Integrated Services Router Hardware Installation Guide

OL-27407-01 1-7