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Jean in Newcastle

Ack! My thermostat keeps setting itself at 90!

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Yesterday we came home from a movie to find the house boiling hot. When I looked at the thermostat it was 79 and rising in the house. The thermostat showed that it was set for 90 degrees. I reset it manually for our normal 70. It held and then went down lower as usual for the night. This morning it reset itself again - at 90. No hands in this house are tampering with it. Do you think my thermostat needs looking at or the furnace? I dread calling the furnace company. I can just smell a big bill coming.

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If you have a programmable thermostat, it can 'reset' itself to the preprogramed temperature at whatever time it is set to do so. If you still have the directions, it will explain how to fix it. Good luck!

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and the furnace is responding to it, my (completely uneducated about furnaces) guess would be in the thermostat.

 

My dh replaced one on his own (and he's not a handyman...at...all...), so you might only be out the cost of a new one. If the re-programming doesn't work.

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I don't have any words to explain the cause of the problem, but I will say, if you have to get a new thermostat, go programmable. They're GREAT!

 

Good luck - and may your repair bill be low!

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We have a programmable thermostat and for some reason it periodically starts acting wacky. Try turning off the fuse at the fuse box and then turning it back on. So far that has always worked for us. Just like unplugging your computer when it freezes up!

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Yes, I agree w/the other posters, if you have a programmable one, you may need to reprogram it...you usually set in portions of the day or the batteries if you have them are low. Or......just pretend it's summer!!!!:lol:

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I think it is fixed (crossed fingers). Dh looked at the thermostat and discovered that the last time I replaced the batteries (not long ago) I put one of the batteries in upside down. I don't know why it worked fine for a while and then went wonky - maybe it made the two batteries that were put in right to have to work harder? But it set itself to its proper temperature this morning when it "woke up". Woo- hoo!

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