Viking Professional Oven Not Working. In fact, the issue may concern a power issue. Turn on the broiler and see if the element at the top of your oven is glowing with an even red color.
If you have a free standing range, it may be that relay (part number pm010026) which is located in the front of the stove. Check to see if the element at the bottom of your oven has a consistent red color. Unfortunately, like any other appliances, viking ovens are prone to problems.