HVAC control panel still being goofy

[telemike]

Just changed the light bulbs. PITA! Getting the module apart took careful prying and I still marked it I'll with screwdriver marks and some broken tabs. Changing bulbs was easy peasy. I did mess up the temp knob, it came apart and I spent a long time trying to get the gears aligned to have cool to hot working right. About 1-2 hours fiddling and now the lights work. $15 spent on eBay.

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[Hunner]

Amazing simple solution. Thanks so much for finding it, and sharing it.
I wonder if one can do this ahead of time to avoid the problem even if it hasn't happened already.
Ex Umbris Venimus

I would think you would be adding too much resistance if it is already working, by adding the extra ohms.
But I don't know that for sure or how sensitive it is.
I know just enough to be dangerous at this point!:shifty: