Mas01
Member
Bottom line: the logic prefers a low level (pump cavitation) than a high level (overflow?). Do I have that right?
TL;DR
So it protects against the logic turning the pump off when FltSw018 is 0, indicating that the level is below 18cm, if any of the other higher level switches indicate the level is above that higher switches level.
That works if the 18cm switch's signal is in error and the rest are correct. However, it also prevents the logic from turning the pump off if the 18cm switch's signal is correct and 0 but one of the other level switch's signals is in error and stuck at 1.
(P.S. I know what braces are, and I like to wear them with my belt)
I thought you called braces "suspenders" on your side of the pond.
Not sure what you mean by the logic"prefers" a low level. By its name, the sump pump is at the bottom of the tank. It's purpose is to provide circulating cooling water