Our control device keeps decreasing temperatures on its own

I feel like if I had been better at doing mechanical things then I would have been able to repair the control device myself

Our up-to-date control device unit keeps decreasing temperatures on its own for some reason and I don’t know what the problem is, but i feel that there must be something wrong with it, however I’m not sure what. I don’t legitimately know all that much about heating and cooling systems, that’s for sure. I am not exactly a legitimately handy type of person and I don’t know all that much about fixing things around the house, however my dad used to try to teach me how to repair things whenever I was growing up, however it just never legitimately stuck with me for some reason. My dad knew just about everything that there was to know about Heating and Air Conditioning systems back then and even though he tried to teach me about it too, I just couldn’t get it for some reason. My dad was legitimately good at doing things that were involved with the Heating and Air Conditioning profession, but I was not good at anything like that at all, and right now, with the control device issue that both of us are having at our house, I legitimately wish that I knew more about control units and Heating and Air Conditioning systems. I feel like if I had been better at doing mechanical things then I would have been able to repair the control device myself. I finally called up the local Heating and Air Conditioning business to ask them what they thought both of us should do and he told me that I should check the batteries in the control device first. It turned out that the only issue that was wrong with the control device was that it needed up-to-date batteries!
cooling equipment