I have :
18,000 gallon
AutoPilot Pool Pilot DIG-220 11 years old.
SC48 Cell, 1 year old.
salt: 3300 pmm
all chemistry is good.
Keep getting a Low Amps warning.
When I test, the volt have been varying from 26v, to 4v but amps always .6
Things I have tried.
Cleaned cell.
Cleaned cable (it is...