Knowledge Article: ID B08236801: Power module %d under voltage fault

Description

The voltage output for the specified power module has dropped below +12V, and the power module is shut down.

Causes

The management bus monitor detects that the specified power module has dropped below the +12V output threshold.

Implications

When the management module attempts, but fails to reset the power module, the power module is shut down.

Resolutions

Replace the power supply.

Additional information

To find additional troubleshooting help, visit the "IBM Support & downloads" Web site. At "IBM Support Portal: Quick start" page, select Browse for "Choose your products", select your Chassis from PureFlex System under the Hardware list, and "Troubleshoot" for "Choose your page", then select "Continue" for "See your results". To narrow the results, search with keywords that are related to this article, such as "fail", "Chassis", etc. in the "Search support" field at the right panel.

To download the latest firmware or drivers, visit the "Fix Central" Web site, select "PureSystems" for "Product Group" (from the pull-down lists), select your product for "Product" (from the pull-down lists), select your product machine type for "Product" (from the pull-down lists), and select your operating system for "Operating system" (from the pull-down lists). You can refine the search by selecting the category of the download of your interest from the "Refine results" list.