I have the ATK set up and it's been running well for the most part, aside from the optical eyes needing cleaned once a month or more. I just set up a 3rd optical sensor inside the ATO Reservoir to make sure the pump doesn't run dry and it's fully submerged (Got the officical sensor with magnetic mount) but still reading as open. Is this thing supposed to be normally closed? I'm a little grumpy and completely stumped trying to figure this out.
I just want to add "If FMM-3 Open then Off" to my ATO Pump, but can't until I know if I did something wrong with the sensor.
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