Auto Pilot Pool Pilot cell low amps

[dsp209]

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 original!)
Forced reverse.
Checked all fuses, all good.

Any ideas? is it time to replace the unit?
thanks!!!!

 

[ajw22]

Volts & Amps Guide - AutoPilot Website

Please note: • Warmer water and higher salt will decrease voltage. • Colder water, lower salt, scaled, or depleted cell will increase voltage. • It is better to

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