Inconsistent Electric Hob Temperature:

When it comes to cooking, maintaining a consistent temperature is key. If your electric hob isn’t maintaining a consistent temperature, it can make cooking a frustrating experience. But don’t worry, there are several common issues that could be causing this problem, and many of them can be fixed with a little bit of troubleshooting. In this guide, we’ll walk you through the steps to diagnose and fix an electric hob with inconsistent temperature.

Understanding How an Electric Hob Works

Before we dive into the troubleshooting, it’s helpful to understand how an electric hob works. Here’s a quick overview:

Electricity from a power source is delivered to a terminal block inside your hob through three large wires in the power cord.
Electrical power is then distributed to the various components that operate the various features of the hob, such as the thermostat and the heating elements.
Heating elements are insulated coils with a metal covering that creates heat and electrical resistance to achieve the desired temperature.
Each element is supported by its own switch that turns the burner on and sends a message to the thermostat to heat to the desired temperature.
Desired levels of heat are controlled by switches and thermostats. Switches control the on and off while the thermostat controls the level of the desired temperature.
One type of switch for electric hobs is called an infinite-heat switch which pulsates power to heating elements on an as-needed basis, maintaining the correct level of heat.

Now that we understand how an electric hob works, let’s look at some common issues that could cause inconsistent temperature.

1. Inconsistent Electric Hob Temperature: Burned-Out Element

Each burner element is controlled by its own switch. When the switch selector knob is turned to a particular heat setting the switch allows voltage to travel to the element which closes the circuit and causes the element to heat. If the element does not heat the component has burned out.

Inspect a conventional element for any blistering or breaks in the coil. If there are any visible breaks or bubbling, the circuit has been interrupted and the element needs to be replaced. When inspecting the coils that sit underneath a ceramic top, look for any breaks or burn spots in the coil. If there is any incongruence in appearance, the coil needs to be replaced. Lastly, if there is no visible damage you can check for continuity with a multi-meter. If there is no continuity you have found your problem.

Solution: Replace the burned-out heating element.

2. Inconsistent Electric Hob Temperature: Burned-Out Receptacle

If the heating element test proves that the element is in good shape, consider the power receptacle. A burned-out receptacle interrupts the voltage sent to the heating element. Inspect the contacts for visible burn marks or damage.

Solution: If there is visible damage, replace the power receptacle with a new one.

3. Inconsistent Electric Hob Temperature: Loose or Burnt Wire Connection

As you work your way through these troubleshooting tips, be sure to look for any loose or burnt wires. It is common for element power supply wires to burn out near the element. If this is the case, you will see visible burn marks. If a wire is loose, try wiggling it back onto its connection.

Solution: Replace the wire or wires that are damaged or burnt; replace the power receptacle and replace the heating element.

4. Inconsistent Electric Hob Temperature: Defective Surface Element Switch

The heating element switch regulates the voltage that controls how much heat is displaced to the coils. When the element reaches the desired temperature the switch shuts off the voltage. In order to maintain the designated temperature, the cycle continues throughout the cooking process. A defective switch may prevent the element from working at all. A good troubleshooting procedure is to simply take a similarly sized element and plug it in. If the new element fails to work, then suspect the switch.

Solution: Replace the element switch.

How to Replace a Plug-in Burner

If you’ve determined that the issue with your hob is a burned-out element or a faulty receptacle, you may need to replace the burner. Here’s how to do it:

Before beginning any work on the hob, unplug it from its power source.
Once the hob is unplugged, grasp the damaged burner by the outer coil and lift it up and pull it straight out.
Replace the burner by sliding its prongs into the terminal receptacle.
Then pull the burner forward to lock it in place.
Reconnect the hob to the wall outlet and turn the new burner switch to on.

Replacments can be found on Amazon here!

If this troubleshooting guide does not solve your hob problem, don’t hesitate to reach out to us at Yorkshire Appliances for more assistance. We’re a family-run appliance repair business based in Shipley, West Yorkshire, and we’re always here to help. You can find more information about our services on our appliance repairs page.

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Remember, while DIY repairs can be a great way to save money, they should only be undertaken if you’re confident in your abilities and understand the risks. Always prioritize safety and don’t hesitate to seek professional help if you’re unsure.

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