I am having problems with low flow alarm on my chlorinator. The pump is a vari speed and am having to run it at near full speed to stop the low flow alarm kicking in on Chlorinator.
I have full return flow going into chlorinator, I have back washed sand filter, checked all filter baskets ( all clean), checked the inline mesh filter to pool pilot but if I run the pump at anything less than 90% the low flow indicator comes on. In the past I was able to run at much slower speeds without issue.
Can anyone help suggest what might be wrong? Could the pump actually be loosing pumping ability? It's only 3 seasons old. Might the sensor on the pool pilot be broken? Any suggestions greatly received.