HP ProCurve 8212zl Series, Installation And Getting Started Manual

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5-4
Troubleshooting
Diagnosing with the LEDs
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Diagnosing with the LEDs
Table 5-1 shows LED patterns on the switch and the switch modules that
indicate problem conditions.
1. Check in the table for the LED pattern you see on your switch
2. Refer to the corresponding diagnostic tip on the next few pages.
Table 5-1. LED Error Indicators
LED Pattern Indicating Problems
Diagnostic
Tips
Power
Fault
Te
st
Module Sta
tus
(one LED per
module)
Power
(one LED per
power su
pply)
Fan
Port Link
Off with
power cord
plugged in
1 1 1 1 1 1
➊
On Prolonged
On
Prolonged
On
1 1 1 1
➋
On Blinking
2
Blinking
2
Off
1 1 1
➌
On Blinking
2
Blinking
2
Blinking
2
1 1
Never On
➍
On Blinking
2
Blinking
2
Blinking
2
1 1
On briefly,
then Off
➎
On Off Off Blinking
2
1 1 1
➏
On Blinking
2
Blinking
2
Blinking
2
1 1
Blinking
2
➐
On Blinking
2
Off
1
Blinking
†
*
1
➑
On Blinking
2
Off
1 1
Blinking
†
1
➒
On Off Off Off
1 1
Fast blinking
3
➓
On Off Off On
1 1
Off with cable
connected
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
11
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