Replacing the power supplies

About replacing a power supply

The C1200 has one power supply at the back of the appliance that can only be replaced when the power is shut off to the system. The C2100 has two power supplies at the back of the appliance that can be replaced, one at a time, while the system is powered on and running.

Replacing a power supply consists of the following procedures:

Removing a power supply from the C2100

To remove a power supply from the C2100, complete the following steps, using the figure for reference

Step	Action
1	Ground yourself using an antistatic wrist strap, then unplug the power cord at the power supply and from the power source.
2	Pull the locking latch toward you.
3	Slide the power supply assembly out of the power supply cage.

Installing a power supply in the C2100

To install a power supply in the C2100, complete the following steps.

Step	Action
1	Align the new power supply with the opening in the power supply cage, then carefully slide it into the power supply cage. Make sure that the locking latch is in the upper-left corner of the power supply.
2	Swing the lock up and push it into the power supply frame.
3	Plug the power cord into the appliance, then back into the power source.

Removing a power supply from the C1200

To remove a power supply from the C1200, complete the following steps, using the figure for reference

Step
1	Enter the following command on the system console: `halt` Result System activity is suspended to the disks.
2	Ground yourself using an antistatic wrist strap, then unplug the power cord from the power supply and from the power source.
3	Open the appliance, as described in Opening the appliance.
4	Lift the rear of the power supply module up enough to clear the edge of the raised guides. Caution Lifting the power supply module too high can damage the edge connector and power supply board.
5	Slide the power supply module to the rear until it disengages from the power distribution board, then lift the module out of the chassis.

Installing a power supply in the C1200

To install a power supply in the C1200, complete the following steps.

Step	Action
1	Place the edge connector end of the replacement module onto the chassis floor and slide it toward the front of the chassis until the edge connector is fully inserted in the power distribution board connector. Note Ensure that the replacement module is fully seated on the chassis floor and not resting on the raised guides.
2	Replace the chassis cover, as described in Closing the appliance.

Step

Action

Place the edge connector end of the replacement module onto the chassis floor and slide it toward the front of the chassis until the edge connector is fully inserted in the power distribution board connector.

Note
Ensure that the replacement module is fully seated on the chassis floor and not resting on the raised guides.