HP Ethernet BL-c manual Troubleshooting, Health LED on the switch is not on

Troubleshooting

In this section
Forgotten administrator user name and password that was configured on the switch	54
Health LED on the switch is not on	54
Health LED on the switch stays amber for more than 30 seconds and switch does not boot	55
No link LED appears, even after plugging the Category 5 cable in the RJ-45 connector of the external port	55
Cannot access the switch serial console interface using null modem connection from a PC Terminal Emulation
Program	55
Error message that the switch failed to complete the system self-testing appears on the serial console screen	56
The switch fails to get its IP settings from the BOOTP server, even though by default it is configured for BOOTP 56
The keyboard locks up when using HyperTerminal to log on to the switch through the console interface	56
Cannot connect to the switch console interface remotely using Telnet	56
Password is not accepted by the switch using the remote console interface immediately after a reboot	57
Cannot connect to the switch console interface remotely using SSH	57
Cannot connect to the switch SNMP interface	57
The port activity LEDs continuously indicate activity after connecting more than one port to another switch or
destination device	58
Cannot connect to the switch remotely using the Web interface	58
Cannot enable a port in multiple VLANs while configuring VLANS	58
The switch does not let the user enable two adjacent ports into two different VLANs while assigning the ports to
VLANs	59
While using TFTP to download firmware, the switch fails to connect to the TFTP server, or after connection the
download fails	59
The switch fails to connect to the TFTP server while using TFTP to download or upload a configuration file, or after
connection the download or upload fails	59
The console screen displays a message to change the baud rate for the terminal emulation session for XModem
transfer after forcing the switch into the download mode, and does not display CCCC	60
The download fails after starting to download the firmware file	60
The switch configuration is corrupt	60
XFP transceiver port is disabled	60
Forgotten administrator user name and password
that was configured on the switch
Action:
Call HP technical support at 1-800-652-6672, or call a service representative to get a backdoor
password.
Health LED on the switch is not on
Action:

•The switch is not seated properly. Be sure that the switch is inserted completely and seated properly.

Troubleshooting 54