HP J8697A User Manual - Page 72

Diagnosing with the LEDs, Troubleshooting, Table 5-1., LED Error Indicators

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Troubleshooting Power Fault Test Module Status (one LED per module) Power (one LED per power supply) Fan Port Link 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. 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 Off with 1 1 1 1 1 1 ➊ power cord plugged in On Prolonged Prolonged 1 1 1 1 ➋ On On On Blinking2 Blinking2 Off 1 1 1 ➌ On Blinking2 Blinking2 Blinking2 1 1 Never On ➍ On Blinking2 Blinking2 Blinking2 1 On Off Off Blinking2 1 1 On briefly, ➎ then Off 1 1 ➏ On Blinking2 Blinking2 Blinking2 1 1 Blinking2 ➐ On Blinking2 Off 1 Blinking† * 1 ➑ On Blinking2 Off 1 1 Blinking† 1 ➒ On Off Off Off 1 1 Fast blinking3 ➓ On Off Off On 1 1 Off with cable 11l 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 5-4

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5-4
Troubleshooting
Diagnosing with the LEDs
Troubleshooting
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
Test
Module Status
(one LED per
module)
Power
(one LED per
power supply)
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
l