Command Panel Replacement - ET PRO 3

Lance Elliott Updated October 7, 2025 1 min read

Command Panel Replacement

  1. Power down the controller.
  2.  Plug in new command panel. 
    1. Ensure the ribbon cable is connected on both ends
    2. Ensure the Cloud / Optiflow key is installed
  3. Resecure panel
  4. Power up the controller and validate screen is visible
    1. if the contrast needs to be adjusted, press Setup > press Up or Down Arrow to set contrast
  5. Validate the controller goes online: Comm: 13
  6. Call Support to help transfer old data and perform replacement activation.

Unplug the old command panel

Was this article helpful?