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Topics - darrow

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TFTs / Blank display after several hours of working normally
« on: October 25, 2016, 08:01:02 AM »

We are using the New Haven NHD-2.4-240320CF-CSXN#-F in one of our products and we are having a sporadic issue:

Every now and then, after running for a few hours, the display goes completely white and won't draw anything (it seems like it somehow gets de-initialized). Only a hard reset seems to correct the problem. The MCU on our board is fine and still running properly. The product still responds to commands, buttons can be pressed etc... everything else works perfectly normal except that the display is white and never changes.

Any idea what could be causing this? Sometimes the product can run for 24hrs or more without issue, so the time between power-up and display failure is not consistent.

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