H3C CR19000-20, Руководство по установке

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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 " Power supply
failure ."
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, fabric module, and interface module slot numbers are marked on the ejector lever pillow
blocks at the slot edges.
Fabric module failure
Symptom
The RUN LED on the fabric module is off or steady red.
Solution
To resolve the issue:
1. Verify that the MPU and the fan trays are operating correctly. For more information, see " MPU
failure " and " Fan tray failure ."
2. Verify that the fabric module is compatible with the system software. Upgrade the system
software if it does not support the fabric module.
3. Calculate the total power consumption, and make sure your power supplies can provide
enough power. For more information, see
H3C CR19000-20 Core Router Hardware
Information and Specifications .
4. Remove and reinstall the fabric module to make sure the module is installed securely. You also
need to verify that the ejector levers are locked securely in place. For more information, see
"Installing fabric modules."
5. If the router has empty fabric module slots, install the module in an empty fabric module slot. If
the module operates correctly, the previous slot is faulty.
6. If the issue persists, contract H3C Support.