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Cisco IOS Software Configuration Guide for Cisco Aironet Access Points
OL-11350-01
Chapter 22 Wireless Device Troubleshooting
Checking the Top Panel Indicators
The access point/bridge uses a blinking code to identify various error conditions. The code sequence uses
a two-digit diagnostic code that starts with a long pause to delimit the code, followed by the LED
flashing red to count out the first digit, then a short pause, followed by the LED flashing red to count out
the second digit.
The LED blinking error codes are described in Table 22-5.
Red Amber Red — Loading Firmware error—disconnect and reconnect the power injector
power. If the problem continues, contact technical support for
assistance.
— — Off — Normal operation.
— — Blinking
green
— Transmitting and receiving radio packets—normal operation.
— — Blinking
amber
— Maximum retries or buffer full occurred on the radio
interface—disconnect and reconnect the power injector power jack. If
the problem continues, contact technical support for assistance.
— — Amber — Radio firmware error—disconnect and reconnect power injector
power.If the problem continues, contact technical support for
assistance.
———Amber
blinking
Not associated (non-root mode). The access point/bridge attempts to
associate with a root bridge for 60 seconds
1
.
— — — Amber Associated (non-root mode).
— — — Green
blinking
Not associated (root mode). The access point/bridge attempts to
associate with a non-root bridge indefinitely.
— — — Green Associated (root mode).
— — — Red Overcurrent or overvoltage error—disconnect power to the power
injector, check all coax cable connections, wait approximately 1
minute, and reconnect power. If error continues, contact technical
support.
1. Preconfigured bridges search indefinitely.
Table 22-4 LED Indications (continued)
Ethernet
LED
Status
LED
Radio
LED
Install
LED
Meaning
Table 22-5 LED Blinking Error Codes
LED
Blinking Codes
Description
First
Digit
Second
Digit
Ethernet 2 1 Ethernet cable problem—verify that the cable is properly connected
and not defective. This error might also indicate a problem with the
Ethernet link. If the cable is connected properly and not defective,
contact technical support for assistance.