Lenovo 391 Server User Manual


 
1. Locate the failing hot-swap redundant power supply module on the rear of your server. Then, press the
release tab 1 in the direction as shown and carefully pull the handle 2 at the same time to slide the
redundant power supply module out of the chassis.
Note: Do not use too much strength. You can rst carefully slide the redundant power supply module a
little bit out to release it from the secured position. Then, completely slide it out of the chassis.
Figure80. Removing a hot-swap redundant power supply module
2. Touch the static-protective package that contains the new hot-swap redundant power supply module
to any unpainted surface on the outside of the server. Then, remove the new hot-swap redundant
power supply module from the package.
142 ThinkServer Hardware Maintenance Manual