Dell PowerEdge T640 EMC PowerEdge T640 Installation and Service Manual - Page 83
Removing a AC power supply unit
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Steps Align the PSU blank with the PSU slot and push it into the PSU slot until it clicks into place. Figure 42. Installing a power supply unit blank Next steps 1. Follow the procedure listed in After working inside your system on page 66. Removing a AC power supply unit Prerequisites CAUTION: The system needs one power supply unit (PSU) for normal operation. On power-redundant systems, remove and replace only one PSU at a time in a system that is powered on. 1. Follow the safety guidelines listed in Safety instructions on page 65. 2. Disconnect the power cable from the power source and from the PSU you intend to remove, and then remove the cable from the strap on the PSU handle. Steps Press the orange release latch and slide the PSU out of the system by using the PSU handle. Figure 43. Removing a power supply unit Next steps 1. Install the AC PSU. Installing and removing system components 83