Hey! I haven't had that exact switch issue, but I think if you post here:
You can post here
https://pinside.com/pinball/forum/topic/mmr-owners-club-all-things-mmr-discussed
to get more mmr owners help
or
you can also use your warranty support through chicago gaming / LTG!
https://chicagogamingcompany.freshdesk.com/support/login