When you suspect that there is an issue with your central heating plus air conditioner, do not ever try to figure it out yourself.
Sure you can troubleshoot.
But if the troubleshooting does not bring any answers, it is best to call the local heating plus a/c company to send out a certified heat plus cooling system specialist to evaluate the situation. That is the best way to go with it. If you try to service a central heating plus air conditioner on your own plus you are not a certified heat plus cooling system specialist, possibilities are you are going to cause more injure than nice to your Heating plus Air Conditioning device plus it may even cost you the steep price of having to buy a brand new plus totally up-to-date central heat plus cooling system device when it is not actually needed! You need to just call that local heating plus cooling company anytime you suspect something wrong with your Heating plus Air Conditioning unit. I had a buddy I knew once who tried to play guessing games plus service their own central heat plus cooling system system plus they ended up completely killing it all together. They had to dump thoUSAnds of dollars into a new heating plus air conditioner device because of them not calling the heat plus cooling system company to come plus have a look at it plus service it. After hearing that story I made it a point to never try that myself plus just spend the currency to have the heating plus cooling professionals do all the Heating plus Air Conditioning work needed.