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I'm here getting help with a Sub Zero wine cellar leak and thought I might as well revisit our exploding Wolf Range. The range is about 10 years old. When originally installed it exhibited a problem when we lit the IR burner in the top of the oven. A high percentage of starts resulted in a small explosion with flames coming out of the top of the door while closed. Either the explosion or a burbling type light off where when you open the door and look inside there are flames running across the top of the oven like Saint Elmo's fire. Usually, when the burbling happens you can shut off the oven and the relight is normal with no explosion. Wolf paid for service multiple times and nobody could fix it. One service man said Wolf should replace the oven. The next guy said there was nothing more to do. Somehow I let this fall thru the cracks and the warranty is gone and the oven still explodes from time to time. In my many looks at this, it seems to have something to do with the #7 801690 Cover, Igniter Shield, Range. The original couldn't take the heat and partially melted requiring me to replace it. When I replaced the shield the burner worked. Then over time the explosions started again. I replaced the shield again and this time there were instructions stating that the shield must be installed with a 3/8" gap between the shield and the ignitor. This means, as far as I can tell, it's pushed on as far as it will go. There is nothing holding it in place other than the tightness of the shield. This, I think, means that over time with the oven door closing and opening the shield moves and the explosions start again. Only a theory. Can I get input from an expert? A question: Could an improper gap between the shield and the ignitor cause an explosion like we're having? Another question: is the ignitor supposed to stay on while the burner is on - like a glow plug? Ours does, although it doesn't have anything to do with exploding gases as the burner is on and working by then.