It's been three days since installing my M9 Plus and they're still running hot. One unit hits 128F and the two higher 126 F. They are all in air conditioned rooms at 70F with good ventilation. Is...

I'll going to return my M9 Plus because all units get pretty hot. Temp registered (thanks to my Covid thermometer) at 129F on two units. I worry it may start a fire since the wooden surfaces where I...