2. Remove the PSU from XCubeNAS.
Push the lever of the PSU at the back panel in the indicated direction.
Pull out the PSU from the XCubeNAS.
3. Prepare a new PSU, and push it back to the slot until you hear a click. Please make sure
that the direction of the PSU is correctly installed, to prevent any potential damage by
improper installation.
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TIP:
A long beep sound will be heard if only one PSU is functioning. You can
press the Beep Off Button on the PSU to silence the beeping sound.