That FAQ talks about a grey background. I don't have any grey background and PP was running continuously for over 24 hours...no pausing. That FAQ doesn't mention why what looks like outages on those hops are colored green instead of red. Plus, there wasn't any explanation about the background colors on the various hops.

The FAQ did mention "oscillation" and that was helpful because I was seeing some of that and didn't realize I could combine the hops.