Skip to main content
Electronic Theatre Controls Inc

CEM3 LCD Backlight Dimming Up and Down


  • LCD is dimming up and down
  • LCD has no text
  • Face panel does not work

Explanation of Issue

The co-processor for the UI/face panel has lost its firmware or the firmware has been corrupted


  1. Attempt to reload the app code
  2. If reloading the app code does not work, please contact ETC Technical Services
  • Was this article helpful?