OK it’s one of two units, meaning they are sister units, both are running. I immediately wonder how it can be weather related when only one running unit trips because a water supply froze. I’d have to read that from the operator before I’d believe it.
Another good source here on fr:
https://freerepublic.com/focus/f-news/3935712/posts
Go to the article—great info. And that site has a couple more worth reading. Bottomline: You are Right.