Ya, Feel free to contact them, but don't expect an answer. They only answer every third email, unless your buying a new rig. But if you need to order parts because the controller got hot, or some other reason, they're busy now making big money selling rigs, they can't be bothered with little things, like keeping your rig running after you buy it.
Hm. Let them know I'd be happy to help, I'm not free (well, information is free, service is money) but fair.