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Replace a Controller
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Attach a wrist strap to your wrist and to the ESD grounding jack on the
rear rail of the rack.
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With the HPDU powered on, use a #1 Phillips screwdriver to remove the
screws on the left and right sides of the front of the HPDU controller, and
pull out the controller.
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Disconnect the HPDU controller cable from the controller.
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Connect the HPDU controller cable to the new controller.
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Push the new controller back into the HPDU until the controller flange
clips to the back of the chassis edge.
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Use a #1 Phillips screwdriver to secure the screws on the left and right
sides of the front of the HPDU controller.