Troubleshooting 55
• The server blade enclosure is not powered up. Be sure that the server blade enclosure is powered up
and all the power connections are intact.
• There is a faulty LED. Check the console to see if the switch is booted.
• The switch fuse is blown. Send for repair.
Health LED on the switch stays amber for more than
30 seconds and switch does not boot
Action:
The Standby Mode Timeout function is malfunctioning. Force the switch to reboot by pressing the Reset
button.
No link LED appears, even after plugging the
Category 5 cable in the RJ-45 connector of the
external port
Action:
• The cable is not properly plugged in. Check the cable at both ends to ensure that it is plugged in
and seated properly.
• The cable or connector heads are faulty. Replace the cable with another tested cable.
• The RJ-45 connector on the switch or LED is faulty.
o After checking and replacing the cable, if no link LED displays, check whether the port is
transferring data. If yes, the LED is faulty. If no, it could be a faulty RJ-45 connector. Call a
service representative.
o This could be caused by using a crossover cable instead of a straight through cable.
Cannot access the switch serial console interface
using null modem connection from a PC Terminal
Emulation Program
Action:
• The null modem cable is faulty. Be sure the null modem cable, provided by HP with this hardware,
was used.
• The connection settings do not match the switch serial settings. Be sure that the PC Terminal
Emulation session settings match the switch serial settings.