5 steps to fix F31 oven code? [Solved].

Smart cooking with ovens is something we all love. The oven is considered the ultimate chef since it replaces human effort by monitoring food and ensuring its taste.

What happens if the oven starts beeping? That’s troublesome.

F errors usually cause beeping sounds. Several factors could cause your oven to display error code F.

You may want to call a specialist engineer to investigate and resolve these faults. However, not everyone can access technicians and experts. 

Today’s blog post will explain how to handle F codes in ovens if you see one while cooking. The most common error is F31, which indicates a faulty sensor.

Let’s dive into today’s blog post!

What is an F31 Oven Code?

F31 code is an indicator of a faulty sensor caused by a short on the sensor circuit or the oven temperature sensor probe. F31 is typically resolved by testing the resistance power of the oven temperature sensor probe or taking the plug out from the range using an ohm/volt meter.

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 This is just the tip of the iceberg regarding F codes; I will teach you much more about F 31 codes.

Causes of F31 Oven Code

F 31 error can be caused by either a malfunctioning oven sensor or a faulty display.

Bad Oven Sensor

In an oven temperature sensor, the temperature of the oven is detected and adapted. Sensors are connected to controls electrically.

In this control, the sensor is read, and the oven elements are switched on or off based on the changes. The oven can overheat if the sensor is defective. 

Bad Oven Display

If the oven display is faulty, the oven will show the wrong temperature readings.

You may want to increase the oven temperature if it shows a temperature less than real. The overheating can damage oven functioning, thus leading to the F31 error.

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Troubleshooting the F31 Oven Code

F31 can either be due to a malfunctioning display or a faulty oven sensor. It is impossible to test the board, but you can check the sensor. Following are the steps to troubleshoot the F31 code:

Step 1:  Remove the rod

The 3″ stretched-thin metal rod is attached to the back wall. Open the door and remove the rod.

Step 2: Disconnect the sensor

To disconnect the sensor, remove the two screws attached to it, and then keep pulling it forward until you can detach it.

Step 3: Check the sensor

When the sensor is at room temperature, check its resistance using a multimeter. It should be around 1080 ohms. 

Step 4: Replace the relay board

If the sensor doesn’t read around 1080 ohms, the sensor must be replaced. Otherwise, the relay board has to be replaced.

Step 4: Examine the wiring

It is vital that at the main control board, the wiring between the sensor plug and the sensor is in good condition.

Note that replacement of the main control board is recommended if the sensor and wiring check out okay.

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What is an F7 Oven Code?

Yet another common oven error is the F7 code. If the key panel malfunctions, your oven may display an F7 error code.

Causes of F7 Oven Code

Faulty Key Panel

The control or key panel includes operating keys and a display screen for controlling the oven. It also has an operating key, a date key, and a number key for setting the date; the operating key and the number key are arranged in combinations, respectively.

Power surge

Power Flow damage to electronic oven control boards is one of the most common causes of F error and key panel failure. Outages, electrical grid overloads, load shifts, and wind storms can all cause power surges.

Troubleshooting F7 Oven Code

Step 1: Reset the oven

When trying to fix the F error, always start with resetting the oven.

Step 2: Replace the control panel

 oven panel doesn’t fix even after resetting the oven; you need to replace the control panel or call the company technician.

Step 3: Vacuum the cable

Oftentimes, F7 is caused by the oven detecting button blockage or simultaneous pressing. This problem can be fixed by vacuuming the ribbon cable and replacing the control or key panel.

Note that most models call for the control board to be changed if their clock malfunctions. It is possible to temporarily resolve the problem by unplugging the oven for three minutes or resetting it. 

FAQs- Frequently Asked Questions

Is beeping always an indicator of an error in the oven?

No, that’s not always the case. Ovens also beep even when there is nothing wrong with them.

For instance, an oven beeps when the food is ready, or the timer ends. In addition, some ovens also beep when the preheating is done. 

When an oven displays err, what does it mean?

’err’’ stands for communication error. To resolve this, power should be restored by resetting the circuit breaker. Test the unit by turning it back on and see if the error reappears.


To sum it up, ovens communicate with us through beeping. So the next time your oven beeps, try detecting the problem before calling company technicians. 

Happy Cooking!

Hello, I'm Eva, a professional electronics engineer with a passion for optimizing your home appliances. I'm your go-to expert for all things appliance troubleshooting, here to simplify your challenges.

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