Oven is the most popular in whole world for cooking. That’s why when oven consist any kind of problem it’s a vital problem because its hamper cooking. Its waste your food, time & money. Oven problems are usually due to improper use. If you don’t know how to use the oven correctly, your oven will surely be in trouble. It is important just like keeping it always clean and having regular check-up of its condition.
If you properly maintain it then oven cannot be of service to you for the rest of your life, you might be hesitating to diagnose any oven issues because of its complexity; but if you learn some basic troubleshooting you can find out actually problem and take some action correctly.