Lpu Failure - HP 12500 Series Installation Manual

To troubleshoot the MPU:
Verify that the power supply is operating properly. For more information, see
1.
system
Press the RESET button of the MPU to reset the MPU. After the MPU is reset, verify that the
2.
corresponding RUN LED flashes green.
Verify that the MPU is fully seated. You can unplug the MPU, plug it again, and make sure the MPU
3.
is fully seated.
If the switch has empty MPU slots, plug the MPU into an empty MPU slot, and verify that the MPU
4.
can operate properly.
If the failure still exists, contact the local agents or technical support engineers.
5.

LPU failure

When the LPU is operating properly, the LC LED (callout 3 in
LPU flashes in green.
When the two LEDs are not in the states mentioned above, the LPU has failed.
To troubleshoot the LPU:
Verify that the MPU is operating properly. For more information, see
1.
Use the display device command to verify that the software version is compatible with the LPU in
2.
the current slot. If the software version is incompatible with the LPU, upgrade the software to a
compatible version.
Calculate the overall power consumption, and make sure your power supply can provide enough
3.
power.
Verify that the LPU is fully seated. You can unplug the LPU, plug it again, and make sure the LPU is
4.
fully seated.
If the switch has empty LPU slots, plug the LPU into an empty slot, and verify that the LPU can
5.
operate properly.
If the failure still exists, contact the local agents or technical support engineers.
6.
Switching fabric module failure
Table 30 Switching fabric module LED description
LED
RUN (red/green)
When the switching fabric module is operating properly, the SFC LED (callout 2 in
green, and the RUN LED on the switching fabric module flashes green.
When the two LEDs are not in the states mentioned above, the switching fabric module has failed.
To troubleshoot the switching fabric module:
failure."
Status
Flashing green
Flashing red
Steady on
Off
Figure 60) flashes, and the RUN LED on the
Description
The switching fabric module is operating properly.
The switching fabric is faulty.
The switching fabric is faulty.
The switch fabric module is faulty or absent.
83
"Power supply
"MPU failure."
Figure 60) flashes