The contact owns a 2020 Forest River Salem fifth wheel. The contact stated that the RV was not able to start up. Additionally, the converter caught fire while the contact's husband was inside the RV. The contact's husband put out the fire with a fire extinguisher. No injuries were sustained and no medical attention was received. The RV was towed to the dealer; however, the RV was not diagnosed nor repaired. The manufacturer was not made aware of the failure.