The problem with having your controller control everything

[patman]

is that your controller controls everything.
My Apex base unit decided to die today. I think it shorted from a small splash of water.
Everything stopped. I had to pull out some old power bars and my previous Jebao controllers so my pumps would work. Everything back working again but I'm running blind.
I was going to automate even more things on my new build. May need to rethink that now. They talk about a controller adding redundancy to the system but that doesn't help when the controller fails.