Remove the Power Supply Unit

Before you begin

Locate the power supply unit at the rear of the controller.

About this task

Remove the power supply unit from the controller if you need to replace or inspect the unit.
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View of rear power supply unit
The power supply unit is located at the rear of the controller. From left to right: 1. AC power supply unit; 2 Handle; 3 AC power connector and 4 Spring loaded tab.
Table 1. Power supply unit hardware
Callout Description
1 AC power supply unit
2 Handle
3 Power connector
4 Spring loaded tab

Procedure

  1. Disconnect the power cord from the wall outlet.
  2. Disconnect the power cord from the controller.
  3. Push the spring loaded locking tab to the left.
  4. Pull on the power supply handle.
    The power supply will resist removal for the first 1/2 inch and then it will slide out easily.
    The power supply unit disengages from the internal connectors.
9037856-00 Rev AA