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HP ProCurve 5400zl Installation And Getting Started Manual: Diagnosing With The Leds

Procurve 5400zl series switches.
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Troubleshooting

Diagnosing with the LEDs

Diagnosing with the LEDs
Table 5-1 shows LED patterns on the switch and the switch modules that
indicate problem conditions.
1.
2.
Table 5-1.
Off with
power cord
plugged in
On
Prolonged
On
On
Blinking
On
Blinking
On
Blinking
On
Off
On
Blinking
On
Blinking
On
Blinking
On
Off
On
Off
1
This LED is not important for the diagnosis.
2
The blinking behavior is an on/off cycle once every 1.6 seconds, approximately.
3
The fast blinking behavior is an on/off cycle once every 0.8 seconds, approximately
5-4
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
1
1
1
1
Prolonged
On
2
2
Blinking
Off
2
2
Blinking
Blinking
2
2
Blinking
Blinking
Off
Blinking
2
2
Blinking
Blinking
2
1
Off
2
1
Off
Off
Off
Off
On
1
1
1
1
1
1
2
1
1
2
1
1
2
1
1
2
1
1
Blinking
*
1
Blinking
1
1
1
1
Diagnostic
Tips
1
1
1
Never On
On briefly,
then Off
1
2
Blinking
1
1
3
Fast blinking
l
Off with cable
11
connected

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Troubleshooting

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