Hi folks I was working on our new to us 2018 310GK and can't get the water pump to work. I was working earlier this morning. All I did was fill the fresh water tank. The knobs are set correctly on the panel for dry camping, water from the tank. The pump sounds like it's behind the panel with the valves. I want to check the fuse on the pump but can't access it as i don't know how to remove the panel in the basement that hides all that stuff.