Replacing a power supply in systems, With nonredundant power supplies – Dell PowerVault 221S (SCSI) User Manual
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Troubleshooting: Dell PowerVault 220S and 221S Systems Installation and Troubleshooting Guide
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4. Attach the cooling module to a new power supply by performing the reverse of step 3.
5. Carefully slide the new power supply and cooling module into the empty module bay, and push the module all the way
to the back of the bay until it is seated in the backplane connector.
The power supply is seated when its front plate is even with the front plate of the adjacent power supply.
NOTE:
The power-supply fault indicator (see
) remains illuminated until you connect the AC power
cable to the power supply and turn on the on/off switch.
6. Tighten the two captive screws to secure the new power supply and cooling module in the module bay.
7. Connect the AC power cable to the new power supply and to an electrical outlet.
8. Turn on the on/off switch on the new power supply.
Replacing a Power Supply in Systems With Nonredundant Power
Supplies
To replace the power supply in a system that uses only a single power supply (see
), perform the following steps: