New Camper New Problems Septic and Drain issues Please help!

Mobilefleet gives a good run down on the issue. I would go back to the dealer immediately and show them the issues. They should provide a fully functional TT and fix any issues that exist. If the dealer knew issues exist and did not point them out, they are less than fully reputable. Any good RV shop should be able to look at your unit and offer advice on what needs to be done. Best wishes and I pray you get to camp soon and that the Good Lord gives you many fun and safe trips.