salinity level repair

Newbie here. For a while my relatively new Pentair IC40 has been flashing that the salt level is too high. I have done multiple tests: - IC40 diagnostics says 4800ppm - Saline Aquacheck says about 4300ppm - New salt meter says 4500ppm (it also says TDS is about the same, which seems strange) I...

I have a T-9 cell and after calibration the salt level reading is still showing way lower than the actual salt level in the pool. Only after changing the cell type in the menu from T-9 to T-5 the salt level goes up from 2000 to 3000 and the cell works again. In the menu > cell type (t-9) > move...