- Joined
- Sep 18, 2017
- Messages
- 15
- Reaction score
- 14
I'm having a problem with my Tunze Osmolator ATO optical sensor failing to sense low water and letting the sump run low about once a month. I've got a low water float switch and alarm on my Apex that alerts me to the situation. When it happens, I can usually just splash some water on the optical sensor and/or unplug and replug the ATO controller and it will recognize the low water. It's been fine because I've been home pretty much every day for the last year, but I do have some travel coming up, and it would be a bit more serious problem if I was out of town. Has anyone else run into this? Is it likely just a bad sensor?