The most common reason of oven not hot is the faulty heatinThe whole idea of setting an alarm or timer is to ensure the constant heat needed to properly cook some dishes. And when the oven alarm or timer stops working, either by not sounding the alarm or shutting down before a timed cycle completes, the oven heating system ceases to function properly.g elements. The oven has two types of heating elements, one on the top known as the broil heating element, and one on the bottom known as the bake heating element. If you notice the color and texture of either one, you will easily notice that it’s damaged or in perfect condition. A heating element that is in perfect condition glows bright red. If you notice that either one or both of the heating elements has gone bad, you need to replace it with a new set of heating elements. That’s where we come in. Our reliability scales from an initial assessment of the problem to its required solution, in this case – replacing the heating elements, all carried out by trusted and licensed technicians.