When that happens to me, I usually set the fridge to gas, lite off the water heater and the stove. I then let them run for a couple of minutes and after that hit the furnace switch. My Tradewinds is an '01 and may have a small leak that they can't find that lets the gas dissipate when it hasn't been run in awhile. I also have found that when you check your tank and turn it off and on again, you are going to have to do that slowly because of the little feature of the safety valve. Thought all my BBQ tanks were empty and took them in and was embarrassed when the guy told me that they were all full and the problem was the safety valve Bummer,20 miles r/t for that.