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FusionServer Pro Rack Server iBMC Alarm Handling 30

This document describes iBMC alarms in terms of the meaning, impact on the system, possible causes, and handling suggestions.
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ALM-0x014BFFFF Above Upper Critical Threshold (Inlet Temp)

ALM-0x014BFFFF Above Upper Critical Threshold (Inlet Temp)

Description

Alarm message:

Above upper critical threshold

This alarm is generated when the temperature sensor detects thatthe air intake temperature is higher than the critical alarm upper threshold. This alarm is cleared when the system detects that the temperature is restored to the acceptable range.

This alarm applies only to the RH5885 V3, RH5885H V3, and RH8100 V3.

Sensor triggering the alarm: Inlet Temp

Attribute

Alarm ID Alarm Severity Auto Clear

0x014BFFFF

Critical

Yes

Impact on the System

The components on the server cannot operate stably.

Possible Causes

  • The ambient temperature exceeds the normal range.

  • The air inlet is blocked.

  • Idle slots or spaces are not installed with filler panels.

  • The component holding the sensor is faulty.

The location of the Inlet Temp sensor varies with the server model. For details, see the user guide of the server you use.

The RH8100 V3 server is used as an example to describe how to clear the alarm. The Inlet Temp sensor is located on the left mounting ear of the RH8100 V3 server. For details, see the RH8100 V3 User Guide.

Procedure

  1. Check whether the temperature room temperature exceeds the normal range.

    • If yes, go to 2.

    • If no, go to 3.

  2. Lower the ambient temperature to the normal range. After 5 minutes, check whether the alarm is cleared.

    • If yes, no further action is required.

    • If no, go to 3.

  3. Check whether the air inlet is blocked.

    • If yes, go to 4.

    • If no, go to 5.

  4. Clear the blockage. Then, check whether the alarm is cleared.

    • If yes, no further action is required.

    • If no, go to 5.

  5. Check whether filler panels or baffles are installed in the idle slots or spaces between servers.

    • If yes, go to 7.

    • If no, go to 6.

  6. Install filler panels in idle slots or baffles in spaces between servers. Then, check whether the alarm is cleared.

    • If yes, no further action is required.

    • If no, go to 7.

  7. Replace the component where the air inlet temperature sensor is located. Then, check whether the alarm is cleared.

    The location of the air inlet temperature sensor varies with the server model:
    • RH5885 V3 or RH5885H V3: The air inlet temperature sensor is located on the right mounting ear.
    • RH8100 V3: The air inlet temperature sensor is on the indicator plate on the left mounting ear.
    For details, see the sensor list in the server user guide.

    In this example, replace the left mounting ear. For details, see "Replacing Parts" in the user guide.

    • If yes, no further action is required.

    • If no, go to 8.

  8. Contact Huawei technical support.
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Updated: 2019-08-05

Document ID: EDOC1000054724

Views: 334067

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