Ah ha! That blink I'm always seeing but hadn't yet identified. Thx for figuring that out for me.
Btw, I spoke with Mike at FR about the charging from alternator because a repair shop told be mine wasn't doing that.
Mike said that only a few older rv's were set up to not charge house batteries from the alternator.
2012 Forest River Berkshire 390FL
2013 Hyundai Veloster