Diagnosing With The Leds - HP ProCurve Switch 1600M Installation Manual

Diagnosing with the LEDs

Tables 3-1 shows LED patterns on the switch and the switch modules that
indicate problem conditions.
1. Check in the table for the LED pattern that you see on your switch
2. Refer to the corresponding diagnostic tip on the next few pages.
Table 3-1. LED Error Indicators
LED Pattern Indicating Problems
Off with *
power
cord
plugged
in
On Prolonged Prolonged
On
†
On Flashing Flashing
†
On Flashing Flashing
On Off
†
On Flashing
On Off
* This LED is not important for the diagnosis.
†
The flashing behavior is an on/off cycle once every 1.6 seconds, approximately.
* * *
* *
On
†
* *
† †
Flashing *
†
Off Flashing *
Off * Flashing
Off On *
Troubleshooting
Diagnosing with the LEDs
Diagnostic
Tips


*

*

*

*

*
†

*

Off with
cable
connected
3-3