Table 12: Diagnostic tips
Tip
Problem
Solution
1
The switch is not plugged into an active AC power
source, or the switch’s power supply may have
failed.
1.
Verify the power cord is plugged into an active
power source and to the switch. Make sure these
connections are snug.
2.
Try power cycling the switch by unplugging and
plugging the power cord back in.
3.
If the Global Status LED is still not on, verify that
the AC power source works by plugging another
device into the outlet. Or try plugging the switch
into a different outlet or try a different power
cord.
If the power source and power cord are OK and this
condition persists, the switch power supply may
have failed. Call your Hewlett Packard Enterprise
authorized network reseller, or use the electronic
support services from Hewlett Packard Enterprise to
get assistance.
2
A switch hardware failure has occurred. All the LEDs
will stay on indefinitely.
Try power cycling the switch. If the fault indication
reoccurs, the switch may have failed. Call your
Hewlett Packard Enterprise authorized network
reseller, or use the electronic support services from
Hewlett Packard Enterprise to get assistance..
3
The switch has experienced a software failure
during self test, or one of the switch cooling fans
may have failed.
1.
Try resetting the switch by pressing the Reset
button on the front of the switch, or by power
cycling the switch.
2.
If the fault indication reoccurs, attach a console
to the switch and configure it to operate at 9600
baud. Then, reset the switch. Messages should
appear on the console screen and in the console
log identifying the error condition. You can view
the console log at that point by selecting it from
the console Main Menu or by typing
show log
at the Manager command prompt (#).
The error may indicate that one of the fans has
failed. In switches with multiple fans the switch may
continue to operate under this condition if the
ambient temperature does not exceed normal room
temperature, but for best operation, the switch
should be replaced.
If necessary to resolve the problem, contact your
Hewlett Packard Enterprise authorized network
reseller, or use the electronic support services from
Hewlett Packard Enterprise to get assistance.
Table Continued
Chapter 4 Troubleshooting
51
