Connect with us

LCD display on EST2 Fire Alarm Panel only display black boxs ... how to fix

Discussion in 'General Electronics Discussion' started by cesarm507, Dec 8, 2016.

Scroll to continue with content
  1. cesarm507


    Dec 8, 2016
    hello guys so my est2 display went crazy now I cant read any troubles.... only thing I see is 2 line fill with black boxes. so I said to my self screen is bad let me buy a new one..... got another one from eBay and the same thing. can anyone help me out here. how can I get this thing back o normal. what is wrong with the system...
  2. davenn

    davenn Moderator

    Sep 5, 2009
    hi there

    I suspect you will have to contact the manufacturer for help
  3. BobK


    Jan 5, 2010
    This is what that type LCD display does if it does not get the initialization code. I suspect that the problem is not with the display, but with whatever is trying to communicate with it.

    Edited to add: Actually it can also look that way if the contrast setting is too high. Is there a contrast adjustment?

Ask a Question
Want to reply to this thread or ask your own question?
You'll need to choose a username for the site, which only take a couple of moments (here). After that, you can post your question and our members will help you out.
Electronics Point Logo
Continue to site
Quote of the day