AquaTrol Goldline HP - voltage and chlorinator behaving oddly

I took a video of what is going on, I figured its the best way to explain it. First part of the video shows how the clorinator is turning off/on and the second part is showing the voltage behavior: Video (shows everything)

The voltage drops really low when the generator is on, then as soon as it turns off the generator, the voltage begins to climb again. Once it gets to 16+, it turns on the generator again, then it drops low.

I’m guessing a capacitor has gone bad on the main PCB? Thoughts? help my pool is already starting to turn green.

What parts do I need to fix this asap?

Thanks.