We just drained and refilled our pool. (needed to do some repairs) Added the salt last night and when we turned on the pool pump and auto pilot I got a temperature sensor warning. I turned my autopilot unit off but left the pump running. Then this morning I turned on the auto pilot and it read 70 F then the temperature reading started to drop now its at 14 F. And when I do the unit self check it comes up 0 volts 0 amps? The cell is clean really no build up but since we were cleaning the pool let it sit in some diluted acid. We replaced the cell last year upgraded from SC-36 to a SC-48. Any idea what maybe wrong or what I should start checking?
15000 in-ground pool plaster pool