Diagnosing With The Leds - HP J9146A - ProCurve Switch 2910al-24G-PoE Installation And Getting Started Manual

Troubleshooting

Diagnosing with the LEDs

Diagnosing with the LEDs
Table 4-1 shows LED patterns on the switch and the switch modules that
indicate problem conditions.
1.
2.
Table 4-1.
Power Fault
Off with *
power cord
plugged in
On Prolonged On
†
On Flashing
†
On Flashing
†
On Flashing
On Off
On Off
†
On Flashing
†
On Flashing
†
On Flashing
* This LED is not important for the diagnosis.
†
The flashing behavior is an on/off cycle once every 1.6 seconds, approximately.
** The Module Status LED is located on the module in the rear of the switch.
1
F - Front
2
B - Back
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
Module RPS EPS
(Mdl) Status Status
Status**
* *
* *
* *
* *
See tip 5 *
* *
* *
†
* Flashing
* * Flashing
†
1
F Flashing *
†
2
B Flashing
Fan
Test Status
* *
Prolonged *
On
†
Flashing *
Off Flashing
†
Flashing *
Off *
Off *
* * *
†
* *
†
Flashing *
Port LED
Diag
(in Link view mode)
Tips
➊
*
➋
*
➌
*
† ➍
*
† ➎
Flashing
➏
Off with cable
connected
➐
On, but the port is
not
communicating
➑
*
➒
*
➓
*