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Reasons Why Oven Not Reaching Temperature
- Faulty Heating Element (Electric Ovens)
- Igniter Failure (Gas Ovens)
- Malfunctioning Temperature Sensor
- Defective Control Board
- Tripped Circuit Breaker
Faulty Heating Element (Electric Ovens) – №1
If you have an electric oven, one of the most common issues that prevent it from heating properly is a broken heating element. Ovens typically have two or three heating elements, including one at the bottom for baking, one at the top for broiling, and sometimes a third element for convection baking. If the oven isn’t heating properly, check each element in different cooking modes—Bake, Broil, and Convection (if available)—to determine which one isn’t working.
Diagnosis And Fix
To diagnose the problem, visually inspect the heating elements. If you notice any cracks, blisters, or dark spots on the elements, they may be damaged. Once you identify which element is not working, turn off the power to the oven and remove any screws securing the element in place. Replace it with a new one and reassemble the oven. Make sure the power is turned off completely to avoid any accidents. If you’re unsure of your abilities, it’s better to call a professional.
Replacement cost: from $250
Igniter Failure (Gas Ovens) – №2
If you have a gas oven, the most likely culprit is a faulty igniter. Turn the oven on and see if the igniter glows red but fails to light the gas. If it does, you need a replacement—if you’re comfortable handling it.
Diagnosis And Fix
To diagnose the issue, turn the oven on and observe the igniter. If it glows red but fails to ignite the gas, then the igniter is likely faulty. Replacing the igniter can be done by turning off the gas supply and power to the oven, removing the old igniter, and installing a new one in the same position. If you’re not familiar with handling gas appliances, it’s best to call a professional to avoid any safety risks.
Replacement cost: from $200
Malfunctioning Temperature Sensor – №3
A temperature sensor in an oven is designed to monitor the internal temperature and regulate the heating elements accordingly. If the temperature sensor is malfunctioning, it can cause inaccurate temperature readings, leading to uneven cooking or no heat at all.
Diagnosis And Fix
To diagnose this issue, you need to measure the resistance of the temperature sensor using a multimeter and compare the reading with the specifications provided by the manufacturer. If the resistance is out of range, the sensor is faulty and needs to be replaced. The replacement process typically involves locating the sensor (usually near the back of the oven) and disconnecting it before installing the new one.
Replacement cost: from $200
Defective Control Board – №4
The control board in an oven is responsible for regulating various functions, including temperature settings, cooking modes, and the operation of heating elements. A faulty control board can cause the oven to fail to heat or prevent certain features from working.
Diagnosis And Fix
A defective control board is often difficult to diagnose without the proper tools, but you may be able to spot visible signs of damage, such as burnt or scorched areas on the board. If this is the case, it likely needs to be replaced. If you don’t notice any visible damage but suspect the control board is the issue, it’s recommended to call a technician for an in-depth diagnosis and repair. Replacing the control board typically involves removing the oven’s front panel, disconnecting wires, and replacing the old board with a new one.
Replacement cost: from $300
Tripped Circuit Breaker – №5
If your oven isn’t turning on at all, the issue could be with the circuit breaker. A tripped circuit breaker in your electrical panel can stop the oven from receiving power.
Diagnosis And Fix
Check the electrical panel for a tripped breaker, which is usually indicated by a switch in the “off” position. If you find that the breaker is off, you can attempt to flip it back to the “on” position. However, it’s important to note that a tripped breaker might indicate an underlying problem, such as an electrical fault or an issue with the oven itself. It’s recommended to call a technician to inspect the oven and determine if there is a more serious issue causing the breaker to trip.
Inspection and repair cost: from $150
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I’m an appliance repair technician based in Houston, Texas. Here, I share my hands-on experience and insights. Hope you find my articles helpful! Feel free to drop a comment or share your thoughts—I’d be happy to chat!
4 Comments
Hi guys! I suspect the problem with my oven is the igniter. Can you tell me if I can diagnose my oven myself?
To accurately determine whether your igniter is working properly, you need to measure its current consumption during the heating process. The current should be within the range of 3–3.3A. Measurements are performed using a clamp meter.
If you have no experience working with electrical measuring instruments, I strongly advise against doing this yourself. Instead, call appliance repair specialists, as this task can be hazardous.
My oven completely stopped working overnight, and I checked the circuit breaker—it was off. I turned it back on, and the oven worked for a few minutes before the breaker tripped again. Could this be an electrical issue with the oven itself, or do I need an electrician?
Hi Linda! If the breaker keeps tripping shortly after you turn it back on, there’s a good chance the issue is coming from inside the oven, not the wiring in your house.
Most likely causes:
• A shorted heating element
• A faulty control board
• Or a wiring issue inside the oven
An electrician could check your breaker, but if it only trips when the oven is on — it’s best to have an appliance technician take a look first. We can safely test the components and find the exact cause.
Let us know if you’d like help!