This must be an odd question, it's usually the other way around. The humidistat on my humidifier is not working properly, and more often than not I find my humidity level hovering between 90-99%. Is this detrimental to my orchids?
I would try to be sure I have air circulating around them with that high of humidity, which I'm sure you do. Not sure why, but it just feels like still air and high humidity might be an issue. Moving air is important regardless.