Diagnosing With The Leds - HP ProCurve 3400cl-48G 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 Blinking
†
On Blinking
†
On Blinking
On Off
On Off
†
On Blinking
†
On Blinking
* This LED is not important for the diagnosis.
†
The blinking behavior is an on/off cycle once every 1.6 seconds, approximately.
** The Module Fault 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
(Mdl) Status
Status/
Fault**
* *
* * Prolonged On
* *
* *
See tip 5 *
* *
* *
* On
†
1
F Blinking *
†
2
B Blinking
Fan
Test Status
(in Link view mode)
* *
*
†
Blinking *
†
Off Blinking
†
Blinking *
Off * Off with cable
Off * On, but the port is not
communicating
* *
†
Blinking *
Port LED
Diagnostic
Tips
*
*
*
*
†
Blinking
connected
*
*