Lenovo ThinkServer Storage SA120 (English) User Guide and Hardware Maintenance - Page 52

Notes: • To maintain the EMI integrity and cooling of the storage array, install a new power supply as soon as you remove the failing one or cover the other bay with a shield if you just use one power supply to provide power. • Your power supply might look slightly different from the illustrations in this topic. • Use any documentation that comes with the new power supply and follow those instructions in addition to the instructions in this topic. To install or replace a power supply, do the following: 1. Do one of the following: • If you are installing a power supply, locate the bay for the power supply in the rear of your storage array. Insert a finger into the hole in the metal shield that protects the bay, press the tab 1 in the direction as shown, and then pull the shield out of the chassis. Store the shield in the event that you later remove the power supply and need the shield to cover the bay. Figure 26. Removing the protective shield for the power supply bay • If you are replacing a power supply, do the following: a. Locate the failing power supply in the rear of your storage array and then disconnect the power cord from the failing power supply. For detailed information, see "LEDs on the front panel" on page 15 and "Rear view of the storage array" on page 10. b. Press the release tab 1 in the direction as shown and carefully pull the handle 2 at the same time to slide the failing power supply out of the chassis. 40 ThinkServer Storage SA120 User Guide and Hardware Maintenance Manual