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E9000 Server V100R001 HMM Alarm Handling 19

This document describes E9000 server alarms in terms of the meaning, impact on the system, possible causes, and solutions.
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Fan: Abnormal Hot Swap Status (Minor, FRU Hot Swap)

Fan: Abnormal Hot Swap Status (Minor, FRU Hot Swap)


Alarm message:

Transition to M7

This alarm is generated when the hot swap status of the fan module transits to M7 and the communication is disconnected.

This alarm is generated by the following sensors:

FRU Hot Swap


Alarm ID

Alarm Severity

Auto Clear




Impact on the System

The data transmission between the fan module and the MM910 is affected.

Possible Causes

The fan module is removed incorrectly.


  1. Reinstall the fan module. Then check whether the alarm is cleared.

    • If yes, no further action is required.
    • If no, go to 2.

  2. On the HMM WebUI, choose System Management > Information Collection, and collect logs.
  3. Contact Huawei technical support.
Updated: 2018-08-16

Document ID: EDOC1000015902

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