Replacing the power supply

About replacing the power supply

Replacing a power supply consists of the following procedures:

Removing a power supply
Installing a power supply
Caution
The power supplies in F800 series filers are different from the power supplies in F700 series filers. The power supplies are not interchangeable.

Power supply compatibility

Be aware of the following caution regarding the compatibility between the two power supplies in the filer.

Caution
When replacing a power supply, be sure not to mix two different power supplies. The two power supplies in your F800 series filer must have the same part number.

Removing a power supply

To remove a power supply, complete the following steps.

WARNING
To avoid an electric shock hazard, you must disconnect the power supply before removing it from the filer.

Note
Because you have two power supplies that are hot swappable, you do not have to shut down the filer.

Step	Action
1	From the console or LCD screen, identify the failed power supply. Note The power supply identifiers, PS1 and PS2, are silk-screened onto the filer chassis.
2	Put on anantistatic wrist strap and grounding leash.
3	If you have...	Then...
	An AC power supply	Turn off the switch on the power supply that you are replacing. Lift up the clip lock and unplug the power cord from the filer/NetCache appliance power supply.
	A DC power supply	Turn off and unplug the cable to the power supply you are replacing from the power source. Remove the cover from the power supply terminal block and set it aside. Using a #2 Phillips screwdriver, remove and save the screws securing the connections to the power supply in the following order: For positive ground installations: first negative (-), then positive (+), then ground ( ) For negative ground installations: first positive (+), then negative (-), then ground ( )
4	Loosen the power supply thumbscrews by turning each thumbscrew counterclockwise.
5	Pull the power supply out of the power supply bay in the filer. WARNING The power supply is heavy. Support the bottom of the unit while removing the unit from its bay.
6	Set the power supply aside. Note If the filer is running Data ONTAP, it reports a failure for the removed power supply.

Installing a power supply

To install a power supply, complete the following steps.

Step	Action
1	Verify that the switch on the power supply is turned off.
2	Slowly and firmly push the power supply into the bay until the power supply is firmly seated in the bay.
3	Secure the power supply by turning the thumbscrew clockwise until it stops.
4	If you have...	Then...
	AC power supplies	Plug the power cord into the power cord receptacle on the power supply and secure it with the clip lock.
	DC power supplies	Using a #2 Phillips screwdriver and the screws you saved, secure the ground ( ), positive (+), and negative (-) connectors to the power supply, in the following order: For positive ground installations: first ground ( ), then positive (+), then negative (-) For negative ground installations: first ground ( ), then negative (-), then positive (+) Cover the power supply terminal block with the cover that you set aside.
5	Turn on the power to the new power supply in your filer.