Question about Logitech Harmony 670 Advanced Universal Remote with LCD Screen

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Buttons won't work

I have had this remote for a few years and never had any issues, but all of a sudden the green light won't come on except once in a random while. It keeps trying to play a DVD even when I keep trying to watch TV. I took out the batteries and replaced them to see if that was the issue, but the screen keeps saying "the harmony has now set up your system for this activity" and none of the buttons work. Help!

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  • 255 Answers

Try open it up.clean the board with alcohol and soft cloth.make sure its dry before reassembling it.check the rubber for cracks and clean it as well.

Posted on May 18, 2009

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