Question about LG LT123HNR - 11,500 BTU Through-The-WaCooling & Heating

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Control Pad wont work but remote does???

I bought this unit a little over a year ago, so it is out of warranty and of course, I did not buy the extended warranty. It is for emergency backup off the generator, so it gets very little use. The control panel stopped working, first just the power button with intermittent on other functions, then everything. You can feel the contacts click, etc...but no joy. Odd thing is the unit is fully functional with the remote, all functions, heat and cooling. I live in rural VA and we have stink bugs which like to move into this unit every autumn. Is it possible they are up in between the key pad and the controller? Anyone have similar problem and fix??? Appreciate help in advance.

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The problem could be simply keypad failure for whatever reason.

Posted on Dec 06, 2014

Testimonial: "Thanks, I have been looking at the detail of the display board which is directly behind the keypad. It appears that the sensor for the remote is independent of the contacts for the buttons. Do you have any experience with these or know if it is fairly easy to change out? I plan to pull the unit and try and clean the keypad if it is stink bugs, but the next step would be the display unit behind which then connects to the power unit. Since it is fully functional with the remote, that is still working. Appreciate your response and advice in advance."

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