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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: Device Removed (Minor, FanN Presence)

Fan: Device Removed (Minor, FanN Presence)

Description

Alarm message:

Device removed

This alarm is generated when the fan module removal alarm is enabled and a fan module is removed.

This alarm is generated by the following sensors:

FanN Presence

Attribute

Alarm ID

Alarm Severity

Auto Clear

0x0840FF0A

Minor

Yes

Parameters

Name

Meaning

N

Slot number of the fan module.

Impact on the System

Removal of a fan module may cause poor heat dissipation capability, which increases component temperature, reduces device service life, and affects services.

Possible Causes

The fan module is removed or poorly connected with the chassis backplane.

Procedure

  1. Check whether the fan module for which an alarm is generated is removed.

    • If yes, go to 2.
    • If no, go to 3.

  2. Insert the fan module. Then check whether the alarm is cleared.

    • If yes, no further action is required.
    • If no, go to 3.

  3. Remove and re-insert the fan module. Then check whether the alarm is cleared.

    • If yes, no further action is required.
    • If no, go to 4.

  4. Replace the fan module. Then check whether the alarm is cleared.

    • If yes, no further action is required.
    • If no, go to 5.

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

Document ID: EDOC1000015902

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