Oven not heating: 5 safe, checks you can do before calling a pro: like verifying power, checking the breaker, and inspecting the oven light. Call Smooth Appliance Services LLC at (971) 236-2052 for same-day oven repair service in Portland, Beaverton, Tigard, Gresham, Hillsboro, Lake Oswego, Milwaukie, and Oregon City.