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Huawei Rack Server iBMC Alarm Handling 27

This document describes iBMC alarms in terms of the meaning, impact on the system, possible causes, and handling suggestions.
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ALM-0x1000007B Failed to Read MOSFET Voltage Difference (Mainboard, Minor Alarm)

ALM-0x1000007B Failed to Read MOSFET Voltage Difference (Mainboard, Minor Alarm)

Description

Alarm message:

Failed to obtain the MOS [arg1] FET voltage drop of the soft-start circuit (PN: arg2).
NOTE:

From iBMC V316, the CPU and disk alarms will also include the SN and part umber and the mainboard and memory alarms will also include the part number.

This alarm is generated when the system failed to obtain the voltage difference of the MOSFET on the mainboard.

Alarm object: mainboard

Attribute

Alarm ID Alarm Severity Auto Clear

0x1000007B

Minor

Yes

Parameters

Name Meaning
arg1 Number of the monitoring point of the soft-start circuit.
arg2

Part number.

Impact on the System

The voltage cannot be monitored. No alarm will be reported when the voltage is not in the normal range.

Possible Causes

  • The iBMC is faulty.
  • The mainboard is faulty.

Procedure

  1. Restart the iBMC. Then, check whether the alarm is cleared.

    • If yes, no further action is required.

    • If no, go to 2.

  2. Remove and reinstall the power cable or board. Then, check whether the alarm is cleared.

    • If yes, no further action is required.

    • If no, go to 3.

  3. Replace the mainboard. Then, 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: 2019-02-28

Document ID: EDOC1000054724

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