Knowledge Base

Search by either entering keywords/KB_ID or by selecting a category.

KB ID: 6115

How to replace or add a power supply to a TS71210/TS51220/TS51210

Replacing a Failed power supply

You should follow these steps if your NAS detects a power supply error.

1. Identify the Failure: If there is a power supply failure, the Error LED will glow red. Check the WEBUI Dashboard or NAS Navigator2 to see the error message.

2. Identify the physical location of the failed power supply:
If a power supply error occurs, you will hear the beep from the TeraStation. To stop beeping, press this Beep Off Button for the Power Supply Unit.

3. Disconnect the power cable from the back of the failed power supply.
Note: Make sure you are disconnecting the correct power cable. If the power cable of the good power supply was disconnected your TeraStation will be powered-off ungracefully.

4. Release the locking tab, at the same time grasp the handle and slide the failed power supply straight out of the chassis.

5. Insert the replacement power supply.

6. Connect the power cable back to the replacement power supply.

Adding Another power supply

Remove the four screws securing the metal plate covering the slot for the second .
Replace the four screws without the plate.
Insert the second power supply completely into the chassis. The warning LED should come on indicating that the power supply is installed but unpowered.
Attach the power cable to the power supply and connect to AC power.