Description
The Chassis Management Module (CMM) is not able to communicate with the power supply.
Causes
The Chassis Management Module (CMM) is not able to communicate with the power supply.
Implications
Not reading device on system management (I2C) bus. The Chassis Management Module (CMM) is not able to communicate with the power supply.
Resolutions
If multiple power supplies are offline, replace the CMM. Otherwise, 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 "BladeCenter" 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.
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