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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-0x00000005 CPU VDDQ Overtemperature (CPU, Minor Alarm)

ALM-0x00000005 CPU VDDQ Overtemperature (CPU, Minor Alarm)

Description

Alarm message:

CPU arg1 DIMMs VDDQ temperature (arg2 degrees C) exceeds the overtemperature threshold (arg3 degrees C) (SN: arg4, PN: arg5).
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 VDDQ temperature of a CPU exceeds the overtemperature major threshold. This alarm is cleared when the temperature is within the normal range.

Alarm object: CPU

Attribute

Alarm ID Alarm Severity Auto Clear

0x00000005

Minor

Yes

Parameters

Name Meaning
arg1

Socket NO. of the CPU.

arg2

Current reading of the sensor.

arg3

Alarm threshold.

arg4

CPU serial number.

arg5

Part number.

Impact on the System

Overheating powers off the server.

Possible Causes

  • A fan module is faulty.
  • The equipment room temperature exceeds the normal range.
  • The air inlet or outlet is blocked.
  • The air duct is not installed.
  • The mainboard is faulty.

Procedure

  1. Check whether there are fan module alarms.

    • If yes, go to 2.

    • If no, go to 3.

  2. Replace the faulty fan or fan module. After 5 minutes, check whether the alarm is cleared.

    • If yes, no further action is required.

    • If no, go to 3.

  3. Check whether the equipment room temperature exceeds the normal range.

    • If yes, go to 4.

    • If no, go to 5.

  4. Reduce the equipment room temperature to the normal range. After 5 minutes, check whether the alarm is cleared.

    • If yes, no further action is required.

    • If no, go to 5.

  5. Check whether the air inlet or outlet of the server is blocked.

    • If yes, go to 6.

    • If no, go to 7.

  6. Clear the blockage. After 5 minutes, check whether the alarm is cleared.

    • If yes, no further action is required.

    • If no, go to 7.

  7. Check whether the server is installed with an air duct.

    • If yes, go to 9.

    • If no, go to 8.

  8. Install an air duct. Then, check whether the alarm is cleared.

    • If yes, no further action is required.

    • If no, go to 9.

  9. Replace the mainboard. Then, check whether the alarm is cleared.

    • If yes, no further action is required.

    • If no, go to 10.

  10. Contact Huawei technical support.
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Updated: 2019-02-28

Document ID: EDOC1000054724

Views: 221273

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