Troubleshooting
Diagnosing with the LEDs
LED Patterns for PoE Troubleshooting
If the PoE Status LED is flashing, that indicates a problem with the delivery of PoE power out one or more switch ports. Press the LED Mode button to put the switch into PoE mode and the port LEDs will show which ports are experiencing the problem. The following tables identify the specific problems that are shown by the LEDs.
1.Check in the table for the LED pattern you see on your switch.
2.Refer to the corresponding diagnostic tip.
Table | LED Error Indicators |
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| LED Pattern Indicating Problems |
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| Fault | PoE Status | Port Link | Port Mode | Diagnostic |
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| Off | Fast Flash | Slow Flash | Off |
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| Orange | Green |
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| Slow Flash | Slow Flash | Slow Flash | Off |
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| Orange | Green |
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| Diagnostic Tips: |
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| Tip | Problem |
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➊PoE oversubscription condition. All available PoE power is already taken by
If possible add additional PoE power, or redefine port priorities.
➋
Troubleshooting
PoE hardware fault. A The switch must be replaced. switch hardware
component that is involved with PoE power delivery has failed.