No relevant resource is found in the selected language.

This site uses cookies. By continuing to browse the site you are agreeing to our use of cookies. Read our privacy policy>Search


To have a better experience, please upgrade your IE browser.


FusionServer Pro Rack Server iBMC Alarm Handling 30

This document describes iBMC alarms in terms of the meaning, impact on the system, possible causes, and handling suggestions.
Rate and give feedback:
Huawei uses machine translation combined with human proofreading to translate this document to different languages in order to help you better understand the content of this document. Note: Even the most advanced machine translation cannot match the quality of professional translators. Huawei shall not bear any responsibility for translation accuracy and it is recommended that you refer to the English document (a link for which has been provided).
ALM-0x10000021 Mainboard Standby 1 V Overvoltage (Mainboard, Major Alarm)

ALM-0x10000021 Mainboard Standby 1 V Overvoltage (Mainboard, Major Alarm)


Alarm message:

Mainboard voltage (arg1 V) at standby 1 V detection point exceeds the overvoltage threshold (arg2 V) (PN: arg3).

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 voltage of the mainboard standby 1 V detection point exceeds the overvoltage threshold.

Alarm object: mainboard


Alarm ID Alarm Severity Auto Clear





Name Meaning


Current reading of the sensor.


Alarm threshold.


Part number.

Impact on the System

The mainboard is malfunctioning.

Possible Causes

The mainboard is faulty.


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

    • If yes, no further action is required.

    • If no, go to 2.

  2. Contact Huawei technical support.
Updated: 2019-08-05

Document ID: EDOC1000054724

Views: 347297

Downloads: 3088

Average rating:
This Document Applies to these Products
Related Documents
Related Version
Previous Next