HP Integrity Superdome SX1000 User Guide, Sixth Edition - HP Integrity Superdo - Page 106
Removing and Replacing the Front-End Power Supply, Removing Power From the Cabinet
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Removing and Replacing Components Removing and Replacing the Front-End Power Supply Removing and Replacing the Front-End Power Supply To remove the Front-End Power Supply (FEPS), turn off all breakers and remove power from the wall panel. Remove all PDCAs and BPSs. Mark and remove all cables from the FEPS. Slide out the old FEPS and replace with the new one. Removing Power From the Cabinet Step 1. Power down all partitions and operating systems following the procedures in Appendix B, "Powering On and Off the System." Step 2. Power OFF the housekeeping voltage by turning off the cabinet breakers. Step 3. Turn OFF all breakers at the wall panel associated with the cabinet. WARNING Ensure that all electrical circuits to the cabinet have been opened. Removing the FEPS from the Cabinet Step 1. Make proper electrostatic discharge (ESD) connections. Step 2. Open the front and rear cabinet doors. Step 3. Remove all BPSs from the front of the FEPS. Perform the following steps for each BPS: 1. Loosen the single captive thumbscrew in the lower front center portion of the BPS. 2. Slide the power supply forward using the handle to remove it from the FEPS. 94 Chapter 3