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Cisco Aironet 1240AG Series Access Point Hardware Installation Guide
OL-8371-05
Chapter 3 Troubleshooting 1240AG Series Autonomous Access Points
Checking Basic Settings
Checking Basic Settings
Mismatched basic settings are the most common causes of lost connectivity with wireless clients. If the
access point does not communicate with client devices, check the following areas.
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 Blinking red Blinking
pink
Image recovery in progress and Mode button is
released.
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
blue-green
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
— — Transmit or receive Ethernet errors.
— Blinking amber — Maximum retries or buffer full occurred on the
radio.
Red Red Amber Software failure; try disconnecting and
reconnecting unit power.
— — Amber General warning, insufficient inline power (see the
Low Power Condition section).
Table 3-1 LED Signals (continued)
Message type Ethernet LED Radio LED Status LED Meaning
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