Smart thermostat sensor acting weird

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Hi
I have a smart thermostat in my house and for some reason it only fluctuates on 20 degrees. When the heating is working it goes up to 20.8 and when it is not even for a couple of hours it goes down to 20.6. I checked the actual temperature with other devices and it fluctuates by +/- 3 degrees.
I have a wide wardrobe right underneath it. I am wondering if the wardrobe is the problem or if the thermostat is broken? How can I test it ?

Comments

  • johnnyp78
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    If it’s off by three degrees then it’s clearly not working properly, or your other measuring device isn’t. Have you accidentally set an offset?
  • EhsanK
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    Thanks for your answer.

    no, I checked the offset twice.I am gonna test it with an external heat generator to see how it reacts