I had a liner replaced in my pool ever since the bottom is slippery my intelliChlor system seem to be working the flow light would be on the next time i looked it would be off and now it is on 100% of the time , i called pentair i wanted to by pass the flow switch it is a 4 wire switch they would not tell me which leads were the flow switch and which were the temp/salitity switch told me to put a rubber band around it put it back together and try it if it stays red the flow switch is bad did that stayed red put new flow switch in and it is still red any suggestions system is about 3 years old and i have cleaned the cells[amazon_link asins=’B011DDHHPS,B007OGUBLQ,B079G8NQDF,B001DO18FS,B001DSLLH4′ template=’ProductCarousel’ store=’asthpogu-20′ marketplace=’US’ link_id=’0e116998-8694-424e-8560-5ec4a81487b9′]