Dec 18, 2019 #1 Salted220 New Member View Badges Joined Nov 17, 2019 Messages 9 Reaction score 12 Location Poconos PA Rating - 0% 0 0 0 I had to turn off my apex ATO I keep getting a alarm "switch 3 closed then on" but the water is not low? Any one have any ideas on that?
I had to turn off my apex ATO I keep getting a alarm "switch 3 closed then on" but the water is not low? Any one have any ideas on that?
Dec 18, 2019 #2 SuncrestReef That Apex guy View Badges Excellence Award Reef Tank 365 Article Contributor Reef Squad Emeritus Controller Advisor Joined Jan 18, 2018 Messages 4,214 Reaction score 9,229 Location Oregon Rating - 0% 0 0 0 Are you actually using 3 sensors with it? The normal configuration is with a low sensor in port 1 and high sensor in port 2 only. Optionally you can add additional sensors in ports 3 and 4. See my ATK tutorial for a detailed description of how it works and troubleshooting steps if you run into problems: https://www.reef2reef.com/ams/neptu...torials-part-3-automatic-top-off-kit-atk.692/
Are you actually using 3 sensors with it? The normal configuration is with a low sensor in port 1 and high sensor in port 2 only. Optionally you can add additional sensors in ports 3 and 4. See my ATK tutorial for a detailed description of how it works and troubleshooting steps if you run into problems: https://www.reef2reef.com/ams/neptu...torials-part-3-automatic-top-off-kit-atk.692/