I have an Aquapure 1400. 6 yrs old.
Receiving 120 and 121 codes for past 3 weeks.
I have cleaned the generator there was scale at ends of plates and was removed due to cleaning. (water muratic acid mix)
The internals of the Generator are free of scale and on the surface appear to in working order.
I have cleaned the sensors. OOO steel wool (2 of the sensors were covered with a golden residue and were cleaned easily)
I have cleaned the connector pins on the generator.
I am reading voltages at the generator DC cord to pin connection of 36volts. should be 21- 22 volts.
The DC plug to the Generator has no indications of deterioration and is in working order.
I have not opened the Controls to perfom voltage readings per Jandy's troubleshooting guide.