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Chapter 4
Troubleshooting
Table 4-1
Access Point LED Signals
1, 2
LED
Color
Status
Black
Steady green
Blinking green
Steady amber
Blinking amber
Blinking red / green /amber
Steady red
Uplink
Black
Steady green
RF-1
Black
Steady green
Steady red
RF-2
Black
Steady green
Steady red
1. If all LEDs off, the access point has no power.
2. When the access point power supply is initially turned on, all LEDs are amber.
Verifying Controller Association
To verify that your access point is associated to the controller, follow these steps:
Step 1
Log into your controller web interface using a web browser.
You can also use the controller CLI show ap summary command from the controller console port.
Click Wireless, and verify that your access point MAC address is listed under Ethernet MAC.
Step 2
Log out of the controller, and close your web browser.
Step 3
Meaning
No power applied or LED off.
Access point is operational.
Download or upgrade of Cisco IOS image file in progress.
Mesh neighbor access point discovery in progress.
Mesh authentication in progress.
CAPWAP discovery in progress.
Firmware failure. Contact your support organization for assistance.
All network ports down or LED off.
Uplink port is operational (cable, fiber optic, or Ethernet).
Radio turned off or LED off.
Radio is operational; network is good.
Firmware failure. Contact your support organization for assistance.
Radio is turned off or LED off.
Radio is operational; network is good.
Firmware failure. Contact your support organization for assistance.
Cisco Aironet 1552 Series for Hazardous Locations Installation Guide
Verifying Controller Association
4-85
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