HP Controller Enclosure RiserAssembly ReplacementInstructions© Copyright 2009 Hewlett-Packard Development Company, L.P.Second edition: May 2011The information in this document is subject to change without notice.Printed in Puerto Ricowww.hp.com*593097-001*About this documentFor the latest documentation, go to http://www.hp.com/support/manuals, and select your product.The information contained herein is subject to change without notice.The only warranties for HP products and services are set forth in theexpress warranty statements accompanying such products and services.Nothing herein should be construed as constituting an additionalwarranty. HP shall not be liable for technical or editorial errors oromissions contained herein.WARRANTY STATEMENT:To obtain a copy of the warranty for this product, see the warrantyinformation website:http://www.hp.com/go/storagewarrantyBefore you beginObserve the following precaution when replacing the riser assembly.CAUTION:Parts can be damaged by electrostatic discharge. Use properanti-static protection. Refer to the documentation that shippedwith your system for additional information.Your controller enclosure model may vary slightly from what is illustratedin this document.Verifying component failureUse the following method to verify component failure:Check to see if there is power to the management module or power UID.If the amber LEDs on the management module or power UID indicate afailure, the riser assembly may have failed.NOTE:An indicated failure of the management module can also bean indication of failure of the power supply or midplane board.Page 1