Have a Aqua Logic AQL-p-4 system. in the diagnostic menu, it says 0000ppm even if the accurate level is 3200ppm. The cell is off cause of low salt level so no chloration possible. i did clean cell. I have these following informations in the diagnostic menu: positive value:30.25 volt, 80 degrees, .06 amperes, 0000ppm. NÃ©gative values: 30.42volt, 80 degrees, .022 amperes and 0000ppm. It looks like the amperes and the voltage is low. Do you think the cell is dead. i have it for 5 years now. Thank You!