Umair Gaines
Electric ovens can trip for a variety of reasons, and it's important to identify the cause early to prevent electrical damage or fire hazards. If your oven trips the breaker as soon as you turn it on, there could be a short circuit, a faulty heating element, or an issue with the wiring. If the breaker trips during use, it may indicate an overloaded circuit, overheating components, or a malfunctioning thermostat. Other potential symptoms include the oven turning off mid-use, no power going to the oven, and sparks or a burning smell. If left unaddressed, a tripping circuit can lead to electrical fires or permanent appliance damage.
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What You'll Learn
Faulty heating element
A faulty heating element is one of the most common reasons for an electric oven to trip. The heating element can become faulty due to several reasons, including:
Ageing and Deterioration
The heating element in an oven is subject to degradation over time. As the heating element ages, the insulation between the element and the earth can break down, leading to a ground fault. This occurs when the heating element expands due to high temperatures, causing it to short circuit to earth. The slight movement of the expanding metal may only require a small expansion to cause a short circuit.
Moisture Build-up
Moisture build-up in the heating element can also lead to a faulty heating element. In humid environments, moisture can accumulate in the heating element, causing a white powder to become 'wet'. This powder, originally an insulator, becomes a conductor, creating a path for electrical current to flow between the heating coil and the rest of the oven. This results in an earth leakage trip, causing the oven to trip every time it is switched on.
Short Circuit
A short circuit in the heating element can occur when there is a direct flow of live current to the neutral terminal of the circuit. This can cause the oven's Main Circuit Breaker (MCB) to trip and, in rare cases, may even result in a complete building power outage. Short circuits can also be caused by ageing or deteriorated wiring, where cracks or frays have developed, leading to a direct flow of electricity.
Overloaded Circuit
An overloaded circuit occurs when multiple high-power appliances are plugged into the same circuit as the oven. This can cause the oven to draw more power than the circuit can handle, leading to a trip. To resolve this issue, it is recommended to unplug unnecessary devices and test the oven again on a different circuit.
If you suspect that your oven's heating element is faulty, it is essential to contact a qualified technician or electrician for assistance. They will have the expertise and tools to diagnose and repair the issue safely and effectively.
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Overloaded circuit
An overloaded circuit is one of the most common reasons for an electric oven to trip. This happens when an appliance requires more current than the circuit can handle, usually because multiple devices are being used simultaneously on the same circuit. If other devices on the same circuit stop working when the oven trips, it is likely that the oven is drawing too much current, causing the circuit to overload.
To resolve this issue, you can reduce the load by unplugging unnecessary devices and testing the oven again. A skilled electrician will check if multiple appliances are connected to the same circuit as your oven. If this is the case, they will disconnect all other appliances, leaving only the oven connected to the circuit. If the circuit remains stable, the other appliances should be reconnected to different circuits.
If the circuit continues to trip, you may need to upgrade to a higher-amp circuit breaker or increase the oven circuit's capacity. However, attempting to resolve an electrical issue without proper knowledge can be dangerous and costly. Therefore, it is highly recommended that you contact a qualified technician or electrician for assistance.
In addition to overloaded circuits, there are several other potential causes of an electric oven tripping. These include a faulty heating element, short circuit, moisture buildup in the wiring, or issues with the oven's internal wiring or components. It is important to identify the cause early to prevent electrical damage or fire hazards.
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Short circuit
To identify whether a short circuit is causing your oven to trip, you should first turn off the power at the breaker and unplug the appliance. Then, inspect the wiring and components for any signs of damage, such as burns, deformities, or exposed wires. If you identify any issues, repair or replace the affected parts before turning the power back on and testing the oven again.
If you are unsure about how to safely resolve the issue, it is recommended that you contact a professional technician or a qualified appliance repair engineer for assistance.
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Moisture buildup in the wiring
This moisture buildup can cause what is known as an earth leakage trip. The heating elements of an oven contain a white powder, which is designed to act as an insulator. However, when moisture is present, this powder becomes 'wet' and transforms into a conductor. This creates a conductance between the heating coil and the rest of the oven through the heating element, causing the oven to trip every time it is switched on.
In addition to moisture buildup, there are several other potential causes of an electric oven tripping. These include a faulty or damaged heating element, an overloaded circuit, a short circuit, or faulty wiring. If the oven trips as soon as it is turned on, there could be a short circuit or a faulty heating element. If the breaker trips during use, it may indicate an overloaded circuit, overheating components, or a malfunctioning thermostat.
If your oven is tripping, it is recommended to consult a professional technician or electrician for assistance. They can help diagnose and repair the issue, ensuring the safety of your appliance.
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Faulty wiring
If your electric oven keeps tripping, it could be due to a number of problems. If the trip happens when the oven is switched on, there is usually an issue with the circuit or wiring. Poor electrical work and faulty wiring are the most common reasons for a breaker to trip.
If you have an issue with an oven trip, check the oven circuit and the connections on the back of the electric cooker or electric oven. Check for damages to the insulation of the circuit wires. The electricity could be tripping if there is a faulty circuit breaker or an issue with wiring in the circuit. If the current is greater than 0.3 A when the oven is off, the oven wire could be damaged. A technician will be able to measure the current of the oven and inspect the power plug for damaged wiring.
A short circuit within the oven’s wiring or components, such as frayed wires or a faulty control board, could result in a sudden surge of electricity, causing the breaker to trip. If any electrical current escapes to the ground through faulty insulation or damaged components, it may cause the breaker to trip as a safety measure.
If the wiring at the back of the selector switch has come loose and is touching the case of the oven or a grounded metal part of the oven, this can cause a trip to the electric. If the electric oven keeps tripping the supply when using the selector switch, the source of the problem could be whichever component the selector switch is sending power to. For example, the internal lamp could be faulty and trip the electrical supply when selected.
If the oven trips the electric when the fan comes on, the most likely culprit could be a faulty fan motor.
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Frequently asked questions
This could be due to a short circuit, a faulty heating element, or an issue with the oven's internal wiring.
This could be due to an overloaded circuit, overheating components, or a malfunctioning thermostat.
First, check if multiple appliances are connected to the same circuit as your oven. If this is the case, disconnect all other appliances and try turning on the oven again. If the circuit trips, consider upgrading to a higher amp circuit breaker. If you are unsure, it is recommended that you contact a professional technician for assistance.
