Diagnosing With The Leds - HP ProCurve 1600M Installation Manual

Troubleshooting

Diagnosing with the LEDs

Diagnosing with the LEDs
Tables 3-1 shows LED patterns on the switch and the switch modules that
indicate problem conditions.
1.
2.
Table 3-1.
Power
Off with
power
cord
plugged
in
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.
3-4
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
Fault Self Test
* *
Prolonged Prolonged
On On
† †
Blinking Blinking
† †
Blinking Blinking
Off Off
†
Blinking Off
Off Off
Off Off
Module Fan Status
Status
(Switch
1600M only)
* *
* *
* *
†
Blinking * All Link and Mode
†
Blinking *
†
* Blinking
On * Off with cable
connected
On * On, but the port is
communicating
Link
Diagnostic
(per port)
Tips
*
*
*
LEDs On
*
*
not