Diagnosing With The Leds - HP ProCurve 4202vl-48G Installation And Getting Started Manual

Troubleshooting

Diagnosing with the LEDs

Diagnosing with the LEDs
Tables 4-1 shows LED patterns on the switch and the switch modules that
indicate problem conditions.
1.
2.
Table 4-1.
LED Pattern Indicating Problems
1
Off with
power cord
plugged in
On Prolonged Prolonged
On
2
On Flashing
2
On Flashing
2
On Flashing Flashing
2
On Flashing Flashing
2
On Flashing Flashing
2
On Flashing Flashing
On Off Flashing
On Off Flashing
On Off
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
1 1 1
1 1
On
2
1
Off Flashing
2
1
Off Flashing
2
1 1
2
1 1
2
1 1
2
1 1
2
1 1
2
1 1
1 1
Off
Diag
Tips
A
1 1
B
1 1
C
1 1
D
1 1
E
1
Off
2 F
1
Flashing
2 G
1
Flashing
2 2 H
Flashing Flashing
2 I
1
Flashing
2 2 J
Flashing Flashing
2 K
Flashing On briefly
then off
Brief Problem
Description
No power
Self test fail -
entire switch
Fan fail
Power supply fail
Self test fail -
backplane
Fixed port self test fail
Module self test fail
Module-based port
self test fail
Module invalid
(wrong chassis) or
unsupported (needs
newer software)
SFP invalid (not
ProCurve/not model B),
or unsupported (needs
newer software)
Different module
hot swap