Chosen Solution
why is the power button red and vac will not turn on
a red light will illuminate to show it’s charging and then turns green to indicate it’s fully charged. https://www.hunker.com/12003205/my-swiff… If it stays red after charging for 12 hours, change the battery pack. Here’s how: Swiffer SweeperVac Battery Replacement (PG3000)
I would bet, if I read the manual, it would say “the battery is kaput” (or similar wording).