6-3
Cisco Aironet 1200 Series Access Point Hardware Installation Guide
OL-8370-04
Chapter 6      Troubleshooting Autonomous Access Points
Checking the Top Panel LEDs
Table 6-1 Top Panel LED Signals
Message 
type
Ethernet 
LED
Status
LED
Radio
LED
Meaning
Boot loader 
status
Green – Green DRAM memory test.
– Amber Red Board initialization test
– Blinking 
green
Blinking 
green
Flash memory test.
Amber Green – Ethernet initialization test.
Green Green Green Starting Cisco IOS.
Association 
status
– Green – At least one wireless client device is 
associated with the unit.
– Blinking 
green
– No client devices are associated; check the 
unit’s SSID and WEP settings.
Operating 
status
– Green Blinking 
green
Transmitting/receiving radio packets.
Green – – Ethernet link is operational.
Blinking 
green
– – Transmitting/receiving Ethernet packets.
Boot Loader 
Errors
Red – Red DRAM memory test failure.
– Red Red File system failure.
Red Red – Ethernet failure during image recovery.
Amber Green Amber Boot environment error.
Red Green Red No Cisco IOS image file.
Amber Amber Amber Boot failure.
Operation 
Errors
– Green Blinking 
amber
Maximum retries or buffer full occurred on 
the radio.
Blinking 
amber
- – Transmit/receive Ethernet errors. 
– Blinking 
amber
– General warning.
Configuration 
Reset
– Amber – Resetting the configuration options to 
factory defaults.
Failure Red Red Red Firmware failure; try disconnecting and 
reconnecting unit power.
Firmware 
Upgrade
– Red – Loading new firmware image.