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Cisco IOS Software Configuration Guide for Cisco Aironet Access Points
OL-29225-01
Chapter 22 Troubleshooting
Checking the Top Panel Indicators
Note Regarding LED status colors, it is expected that there will be small variations in color intensity and hue
from unit to unit. This is within the normal range of the LED manufacturer’s specifications and is not a
defect.
Boot loader errors Red Red Red DRAM memory test failure.
Off Red Blinking red
and blue
Flash file system failure.
Off Amber Blinking red
and light
blue
Environment variable (ENVAR) failure.
Amber Off Blinking red
and yellow
Bad MAC address.
Red Off Blinking red
and off
Ethernet failure during image recovery.
Amber Amber Blinking red
and off
Boot environment error.
Red Amber Blinking red
and off
No Cisco IOS image file.
Amber Amber Blinking red
and off
Boot failure.
Cisco IOS errors Blinking
amber
n/a n/a Transmit or receive Ethernet errors.
n/a Blinking
amber
n/a Maximum retries or buffer full occurred on the radio.
Red Red Orange Software failure; try disconnecting and reconnecting
unit power.
n/a n/a Orange General warning, insufficient inline power.
Blinking
green
Blinking
green
Blinking
green
User activation of location indicator.
Table 22-2 LED Signals (continued)
Message type
Cable Bay Area Top of Unit
MeaningEthernet LED Radio LED Status LED