Diagnosing With The Leds - HP ProCurve 2650 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.
* This LED is not important for the diagnosis.
†
4-4
Check in the table for the LED pattern that you see on your switch.
Refer to the corresponding diagnostic tip on the next few pages.
LED Error Indicators
LED Pattern Indicating Problems
Power Fault
Off with *
power cord
plugged in
On Prolonged On Prolonged On
†
On Blinking
†
On Blinking
†
On Blinking
On Off
On Off
The blinking behavior is an on/off cycle once every 1.6 seconds, approximately.
Fan
Self Test Status
(in Link view mode)
* *
*
†
Blinking *
†
Off Blinking
†
Blinking *
Off * Off with cable
Off * On, but the port is not
communicating
Port LED
Diagnostic
Tips
➊
*
➋
*
➌
*
➍
*
†
➎
Blinking
➏
connected
➐