Description
Only one enhanced blower is installed in the chassis. Enhanced blower modules must be installed in pairs.
Causes
Someone has inserted a mixture of blowers into the chassis which caused the enclosure temperature to change.
Implications
The enclosure temperature should be addressed at the earliest opportunity. If the enclosure temperature keeps rising, the system might shut down.
Resolutions
Install the second enhanced blower module.
Additional information
To find additional troubleshooting help, visit the "IBM Support & downloads" Web site, select "BladeCenter" for "Browse products for support" panel. At "Support & downloads quick start" page, select your product for "Choose your products", and "Troubleshooting" for "Choose your page", then select "View your page" 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, visit the same "IBM BladeCenter Support search" Web site, select "Download" for "Task", and then select "Product Family", "Machine type" and "Operating system" of interest (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.
To find the replacement part number (or the FRU number) for the component replacement, visit the "BladeCenter and System x Product Information - Servers" Web site, select your product from "IBM BladeCenter products" table. Then select "System service parts listing" for your product.
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