We have a Pentair 520555 IntelliChlor IC40 Salt Chlorine Generator Cell we purchased last April 15, 2014. Unit has worked well until this past week when after returning from trip we found the low salt light on and pool slightly green. I tested the water and found salt was not low, but in fact slightly high at 3700 ppm using test strips. I had water rechecked with saltwater Hydrometer as well as a trip to Pool Supply for testing where it was measured at 3700 ppm.
I have used the Pentair Acid cleaning kit we purchased along with the Generator (used every 2 months previous as well) along with specified Acid mixture. I did not notice any Electrolytic Cell scale buildup. After initial cleaning this time the light returned to a "GREEN" Good Salt level status on panel and Cell light came on along with Sanitizer output lights.
The following day the Red Low Salt light returned, and as noted, salt level still measured at 3700 ppm.
This is the 2nd unit we have purchased, counting the original unit purchased at new pool purchase/installation in 2010. This was purchased along with a Pentair EasyClean Filter Assy, and Intelliflow Pump. We also use a Polaris pump and Pool Cleaner.
Please help with a solution!