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Huawei Rack Server iBMC Alarm Handling 28

This document describes iBMC alarms in terms of the meaning, impact on the system, possible causes, and handling suggestions.
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ALM-0x2100FFFF Fault Status (PSN Temp Status)

ALM-0x2100FFFF Fault Status (PSN Temp Status)

Description

Alarm message:

Fault status

This alarm is generated when the sensor detects that the temperature of a power supply unit (PSU) 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.

Sensor triggering the alarm: PSN Temp Status

Attribute

Alarm ID Alarm Severity Auto Clear

0x2100FFFF

Major

Yes

Parameters

Name Meaning
N

Serial number of the PSU.

Impact on the System

The components on the server cannot operate stably.

Possible Causes

  • The ambient temperature exceeds the normal range.

  • The air inlet or outlet is blocked.

  • The PSU is faulty.

Procedure

  1. Lower the ambient temperature to the normal range. Five minutes later, check whether the alarm is cleared.

    • If yes, no further action is required.

    • If no, go to 2.

  2. Check whether the fan module for the PSU is working properly.

    • If yes, go to 3.

    • If no, go to 4.

  3. When PSUs are in redundancy mode and the other PSUs are working properly, remove and then install the faulty PSU. Check whether the alarm is cleared.

    • If yes, no further action is required.

    • If no, go to 4.

  4. Replace the faulty PSU. Then check whether the alarm is cleared.

    For details about how to replace a PSU, see the server user guide.

    • If yes, no further action is required.

    • If no, go to 5.

  5. Contact Huawei technical support.
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Updated: 2019-06-04

Document ID: EDOC1000054724

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