Of all the places you could post this information in the hopes of someone reading it and clicking the link, why on earth would you do it here, where it has no connection to anything being discussed? Are the spammers getting dumber?

interesting

What pump do you have? Your pipe size too helps too. This has to do with water velocity. The blades are covered with a coating. Three years, 24/7, is 61,362 hours of being hit with water at as much as 9 FPS, but usually less. Scott

just replaced motherboard on a customers pro-logic ps 4. the parent company told me that there was a small run of faulty motherboard in my code area. if you do the swap yourself take a picture of the connections as the new one was entirely different than the existing board. same problem you have i think- delay countdown start-stop. funny readings in diagnostics.