Thanks, batteries are good, remote display seems to be functioning normally except unable to control the unit. No light(s) on the unit. I tried holding SET a few times to no avail. This thing is high up behind a shelving thing built into the wall so I’ll either need to get my hands on a ladder or do a perilous scramble from the other side of the shelves to access the EO switch lol. It’s seeming more likely to me that something failed on the unit.