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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-0x0801FFFF Power Supply Failure (PwrOk Sig. Drop)

ALM-0x0801FFFF Power Supply Failure (PwrOk Sig. Drop)

Description

Alarm message:

Power supply failure

This alarm is generated when a voltage sag or an unexpected power failure occurs on the mainboard.

Sensor triggering the alarm: PwrOk Sig.Drop

Attribute

Alarm ID Alarm Severity Auto Clear
0x0801FFFF Major Yes

Impact on the System

The server shuts down, and OS services are interrupted.

Possible Causes

  • Power cables are not connected or not connected securely.

  • The mainboard is faulty.

Procedure

  1. Power off the server, remove and reconnect the power cables, and power on the server. Check whether the alarm is cleared.

    • If yes, no further action is required.

    • If no, go to 2.

  2. Replace the power cables. Then, check whether the alarm is cleared.

    • If yes, no further action is required.

    • If no, go to 3.

  3. Replace the mainboard. Check whether the alarm is cleared.

    • If yes, no further action is required.

    • If no, go to 4.

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

Document ID: EDOC1000054724

Views: 244374

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