Led Patterns For Poe Troubleshooting - HP ProCurve 2520G-PoE Series Installation And Getting Started Manual

Troubleshooting
Diagnosing with the LEDs
4-8

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 4-2. LED Error Indicators
LED Pattern Indicating Problems
Fault PoE Status
Off Fast Flash
Orange
Slow Flash Slow Flash
Orange
Diagnostic Tips:
Tip Problem
➊
PoE oversubscription
condition. All available
PoE power is already
taken by higher-priority
ports.
➋
PoE hardware fault. A
switch hardware
component that is
involved with PoE power
delivery has failed.
Port Link Port Mode
Slow Flash Off
Green
Slow Flash Off
Green
If possible add additional PoE power, or redefine port
priorities.
The switch must be replaced.
Diagnostic
Tips
➊
➋
Solution