According to the manual, “LOW AMPS – CELL” means that purifier still producing, but these are the possible issues. 1) Low cell amperage from a cell that is heavily scaled. If cell is already clean, replace cell. 2) Pool has low salt and the unit needs salt calibration. Add salt to pool, recalibrate salt sensor. 3) The Cell Cord is Loose. Ensure that the cord is firmly pressed into the cell and the wires properly connected into the banana plugs.