
Chapter 3 Troubleshooting 1240AG Series Autonomous Access Points
Checking Basic Settings
Table | LED Signals (continued) |
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Message type |
| Ethernet LED |
| Radio LED | Status LED | Meaning |
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Boot loader warnings | Off |
| Off | Yellow | Ethernet link not operational. | |
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| Red |
| Off | Yellow | Ethernet failure. |
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| Amber |
| Off | Yellow | Configuration recovery in progress |
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| (Mode button pressed for 2 to 3 seconds). |
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| Off |
| Red | Pink | Image recovery |
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| (Mode button pressed for 20 to 30 seconds) |
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| Blinking green |
| Blinking red | Blinking | Image recovery in progress and Mode button is |
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| pink | released. |
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Boot loader errors | Red |
| Red | Red | DRAM memory test failure. | |
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| Off |
| Red | Blinking red | Flash file system failure. |
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| and blue |
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| Off |
| Amber | Blinking red | Environment variable (ENVAR) failure. |
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| and |
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| Amber |
| Off | Blinking red | Bad MAC address. |
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| and yellow |
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| Red |
| Off | Blinking red | Ethernet failure during image recovery. |
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| and off |
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| Amber |
| Amber | Blinking red | Boot environment error. |
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| and off |
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| Red |
| Amber | Blinking red | No Cisco IOS image file. |
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| and off |
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| Amber |
| Amber | Blinking red | Boot failure. |
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| and off |
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Cisco IOS errors | Blinking |
| — | — | Transmit or receive Ethernet errors. | |
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| amber |
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| — |
| Blinking amber | — | Maximum retries or buffer full occurred on the |
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| radio. |
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| Red |
| Red | Amber | Software failure; try disconnecting and |
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| reconnecting unit power. |
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| — |
| — | Amber | General warning, insufficient inline power (see the |
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| Low Power Condition section). |
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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.
Cisco Aironet 1240AG Series Access Point Hardware Installation Guide
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