Diagnosing With The Leds - HP ProCurve 2824 Install Manual

Troubleshooting

Diagnosing with the LEDs

Diagnosing with the LEDs
Table 3-1 shows LED patterns on the switch and the switch modules that
indicate problem conditions.
1.
2.
Table 4-1.
Power
Off with
power cord
plugged in
On Prolonged On
On
On
On
On
On
On
* This LED is not important for the diagnosis.
†
The blinking behavior is an on/off cycle once every 1.6 seconds, approximately.
4-4
Check in the table for the LED pattern you see on your switch.
Refer to the corresponding diagnostic tip on the next few pages.
LED Error Indicators
LED Pattern Indicating Problems
Fault RPS
* On
*
†
Blinking *
†
Blinking *
†
Blinking *
Off *
Off *
* Blinking
Fan
Self Test Status
* *
Prolonged On *
†
Blinking *
†
Off Blinking
†
Blinking *
Off *
Off * On, but the port is not
* *
Port LED
Diagnostic
(in Link view mode)
Tips
➊
*
➋
*
➌
*
➍
*
†
➎
Blinking
➏
Off with cable
connected
➐
communicating
➑
*