Hewlett Packard Enterprise OfficeConnect 1850 2XGT, Руководство по установке и началу работы

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Troubleshooting
Basic Troubleshooting Tips
4-1
4. Troubleshooting
This section describes how to troubleshoot the switch. For more information, see the chapter
“Troubleshooting” in the Hewlett Packard Enterprise 1850 OfficeConnect Switch Series Management and
Configuration Guide, available on the Hewlett Packard Enterprise website,
www.hpe.com/support/hpesc .
This chapter describes the following:
● basic troubleshooting tips ( page 4-1 ).
● diagnosing with the LEDs ( page 4-1 ).
● forgotten IP address or password ( page 4-3 ).
● testing the switch by rebooting it ( page 4-3 ).
● Hewlett Packard Enterprise Customer Support Services ( page 4-3 ).
Basic Troubleshooting Tips
Common problems and their solutions are listed in the following table.
Diagnosing with the LEDs
The first section shows LED patterns on the switch that indicate problem conditions for general switch
operation troubleshooting.
The second section shows LED patterns that indicate problem conditions for PoE troubleshooting.
LED Patterns for General Switch Troubleshooting
1. Check in the table below for the LED pattern you see on your switch.
2. Refer to the corresponding diagnostic tip on the next few pages.
Problem Resolution
Switch fails Power-On Self Test (POST). Troubleshoot using the LEDs. See “Diagnosing with the
LEDs” on page 4-2.
Link light does not light when a cable is connected. Look for loose or obviously faulty connections. If they
appear to be OK, make sure the connections are snug. If
that does not correct the problem, try a different cable.
Power (green) Fault (orange) Port LED Diagnostic Tips
Off with power cord
plugged in * * 1
* Prolonged On * 2
* Slow Flashing Slow Flashing 3