Normally, this is a 5-star. However, over the last several months, I started getting an "offline" notice. It is online per the wall device. I sign out a few times, and then eventually, it displays my information. In addition, it is not 100% recognizing my requested change. I will input what I want changed, and a few minutes later, I walk by and note that it did not change. It has been fine for the last 2 yrs, and now...