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6-3
Cisco Aironet 1240AG Series Access Point Hardware Installation Guide
OL-7293-01
Chapter 6      Troubleshooting
Checking the Access Point LEDs
The LED signals are listed in 
.
Table 6-1
LED Signals
Message type
Cable Bay Area
Top of Unit
Meaning
Ethernet LED
Radio LED
Status LED
Boot loader status
Green
Green
Green
DRAM memory test ok.
Off
Blinking 
green
Blue-green
Initialize Flash file system.
Off
 Green
Pink
Flash memory test ok.
Green
Off
Dark blue
Ethernet test ok.
Green
Green
Green
Starting Cisco IOS.
Association status
Light green
Normal operating condition, but no wireless client 
devices are associated with the unit. 
Blue
Normal operating condition, at least one wireless 
client device is associated with the unit.
Operating status
Green
Ethernet link is operational.
Blinking 
green
Transmitting or receiving Ethernet packets.
Blinking 
green
Transmitting or receiving radio packets.
Blinking
dark blue
Software upgrade in progress
Boot loader warnings
Off
Off
Yellow
Ethernet link not operational.
Red
Off
Yellow
Ethernet failure.
Amber
Off
Yellow
Configuration recovery in progress
(Mode button pressed for 2 to 3 seconds).
Off
Red
Pink
Image recovery
(Mode button pressed for 20 to 30 seconds)
Blinking 
green
Red
Blinking 
pink and off
Image recovery in progress and Mode button is 
released.