Option 1: Replace an AC PSU
Use the following video or the tabulated steps to replace the PSU:
Animation - Replace the AC PSU
1. If you are not already grounded, properly ground yourself.
2. Identify the PSU you want to replace, based on console error messages or through the red Fault LED
on the PSU.
3. Disconnect the PSU:
a. Open the power cable retainer, and then unplug the power cable from the PSU.
4. Remove the PSU by rotating the handle up, press the locking tab, and then pull the PSU out of the
controller module.
The PSU is short. Always use two hands to support it when removing it from the
controller module so that it does not suddenly swing free from the controller module
and injure you.
Blue PSU locking tab
Power supply
5. Install the replacement PSU in the controller module:
a. Using both hands, support and align the edges of the PSU with the opening in the controller
module.
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