5-4
Operating status of each fan.
Fan speed.
3.
Verify that the air inlet and outlet vents of the chassis are not blocked. If they are blocked, clean
them to keep good ventilation.
4.
Remove and reinstall the fan tray to make sure it is installed securely in the slot.
5.
Verify that the empty service slots and power supply slots are installed with filler panels. Install
filler panels in empty slots.
6.
Replace the fan tray.
7.
If the issue persists, contact H3C Support.
MPU failure
Symptom
The RUN LED for the MPU is off.
Solution
To resolve the issue:
1.
Verify that the power system is operating correctly. For more information, see "
."
2.
Remove and reinstall the MPU to make sure it is installed securely. For more information, see
"Installing MPUs."
3.
Press the
RESET
button on the MPU to reset the MPU. After the MPU is reset, verify that the
RUN LED is on.
4.
If the router has empty MPU slots, install the MPU in the empty MPU slot, and verify that the
MPU can operate correctly.
5.
If the issue persists, contact H3C Support.
NOTE:
The MPU and interface module slot numbers are marked on the ejector lever pillow blocks at the slot
edges. The fabric module slot number is marked above the slot.
Interface module failure
Symptom
The RUN LED on the interface module is off or steady red.
Solution
To resolve the issue:
1.
Verify that the MPU is operating correctly. For more information, see "
."
2.
Verify that the interface module is compatible with the system software. Upgrade the system
software if it it does not support the interface module.
3.
Calculate the total power consumption, and make sure your power supplies can provide
enough power. For more information, see "Appendix A Chassis views and technical
specifications."
4.
Remove and reinstall the interface module to make sure it is installed securely. For more
information about installing an interface module, see "Installing interface modules."
5.
If the router has empty interface module slots, install the interface module in an empty interface
module slot. If the interface module operates correctly, the previous slot is faulty.
