HP J4865A User Manual - Page 55

Diagnostic Tips, Troubleshooting - replacement

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Troubleshooting Diagnosing with the LEDs Diagnostic Tips: Tip Number ➊ Problem The power supplies installed in the switch are not plugged into active AC power sources, or the power supply may have failed. Solution 1. Verify the power cord is plugged into an active power source and to the switch. Ensure these connections are snug. 2. Try power cycling the switch by unplugging and plugging the power cord back in. 3. If the Power LED is still not on, verify 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 HP-authorized LAN dealer, or use the electronic support services from HP to get assistance. See the Customer Support/ Warranty card for more information. ➋ A switch hardware Try power cycling the switch. If the fault indication reoccurs, the switch may have failure has failed. Call your HP-authorized LAN dealer, or use the electronic support services occurred. All the from HP to get assistance. See the Customer Support/Warranty card for more LEDs will stay on information. indefinitely. ➌ The switch has The failure may be just in the communications with a single module slot, or it might experienced a be more significant. Start a console session with the switch, and at the CLI prompt backplane failure issue the command show logging. In the event log that is displayed, there will be during self test. messages that describe the extent of the problem. If the problem is with individual slots, the remainder of the switch slots will be fully operational and can be used until you get a chance to replace the switch. If necessary to resolve the problem, contact your HP-authorized LAN dealer, or use the electronic support services from HP to get assistance. See the Customer Support/Warranty card for more information. ➍ The module The fact that the Link and Mode LEDs never are lit on the module indicates that it is installed in the slot a ProCurve Switch xl module and should not be used in your gl switch. that corresponds to the letter that is flashing is an invalid module. Ensure you have installed a gl module in the slot. HP ProCurve xl modules will fit in the slot, but they are not compatible with your ProCurve gl switch. Check to ensure the module has a blue "gl module" symbol on it. Remove the module from the switch and replace it with a gl module, or recover the slot with the cover plate. You can remove and replace the module without having to power down the switch. Call your HP-authorized LAN dealer, or use the electronic support services from HP to get information on supported Switch gl modules. The modules that are available as of the printing of this manual are listed on page 1-10. Troubleshooting 4-5

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Troubleshooting
Diagnosing with the LEDs
Diagnostic Tips:
Tip
Number
Problem
Solution
The power supplies
installed in the
switch are not
plugged into active
AC power sources,
or the power supply
may have failed.
1.
Verify the power cord is plugged into an active power source and to the switch.
Ensure these connections are snug.
2.
Try power cycling the switch by unplugging and plugging the power cord back in.
3.
If the Power LED is still not on, verify 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 HP-authorized LAN dealer, or use the
electronic support services from HP to get assistance. See the Customer Support/
Warranty card for more information.
A switch hardware
Try power cycling the switch. If the fault indication reoccurs, the switch may have
failure has
failed. Call your HP-authorized LAN dealer, or use the electronic support services
occurred. All the
from HP to get assistance. See the Customer Support/Warranty card for more
LEDs will stay on
information.
indefinitely.
The switch has
The failure may be just in the communications with a single module slot, or it might
experienced a
be more significant. Start a console session with the switch, and at the CLI prompt
backplane failure
issue the command
show logging
. In the event log that is displayed, there will be
during self test.
messages that describe the extent of the problem. If the problem is with individual
slots, the remainder of the switch slots will be fully operational and can be used until
you get a chance to replace the switch.
If necessary to resolve the problem, contact your HP-authorized LAN dealer, or use
the electronic support services from HP to get assistance. See the Customer
Support/Warranty card for more information.
The module
installed in the slot
that corresponds to
the letter that is
flashing is an
invalid module.
The fact that the Link and Mode LEDs never are lit on the module indicates that it is
a ProCurve Switch xl module and should not be used in your gl switch.
Ensure you have installed a
gl
module in the slot. HP ProCurve xl modules
will fit in the slot, but they are not compatible with your ProCurve gl
switch. Check to ensure the module has a blue “gl module” symbol on it.
Remove the module from the switch and replace it with a gl module, or
recover the slot with the cover plate. You can remove and replace the module
without having to power down the switch. Call your HP-authorized LAN dealer, or
use the electronic support services from HP to get information on supported Switch
gl modules. The modules that are available as of the printing of this manual are listed
on
page 1-10
.
Troubleshooting
4-5