Appliances are typically covered by their own warranties, not Forest River. Check their manuals. For example the local Jayco dealer repaired my refrigerator recall under the refrigerator's warranty. And they knew I didn't buy my Roo from them.
Independent RV repair place may be the best bet. Dealers don't seem to care or want to keep the vehicle for months.
As you're learning the hard way living in a RV ain't like living at home. Best to be able to fix things your self -- or make friends with the mobile RV repair places.
-- Chuck