GE Oven Error Code F3 – Causes and How to Fix It

Seeing GE oven error code F3 on your oven display can stop your cooking plans quickly. The oven may beep continuously or refuse to heat properly.

This error usually points to a problem with the oven temperature sensor or temperature circuit. The good news is that the issue is often easy to diagnose and sometimes simple to fix.

In this guide, we will explain what GE oven error code F3 means, why it happens, and the steps you can take to fix it.

What Does GE Oven Error Code F3 Mean?

The F3 error code on a GE oven indicates that the oven control board has detected a problem with the oven temperature sensor circuit.

The sensor measures the internal temperature of the oven and sends that information to the control board. If the sensor reports a reading that is too high or outside the normal range, the oven displays the F3 error code.

In most cases, the issue is related to:

• A faulty oven temperature sensor

• Damaged wiring

• A loose sensor connection

• A defective electronic control board

Common Causes of GE Oven Error Code F3

Several problems can trigger this error.

1. Faulty Oven Temperature Sensor

The most common cause of the F3 error is a bad temperature sensor.

Over time, the sensor may fail and send incorrect temperature readings to the control board.

2. Loose or Damaged Wiring

If the wiring between the sensor and the control board becomes loose, damaged, or disconnected, the oven may not receive accurate temperature signals.

3. Shorted Sensor Circuit

A short in the sensor wiring can cause the oven to detect an abnormally high temperature, triggering the F3 error.

4. Faulty Control Board

In rare cases, the electronic oven control (EOC) may misread the sensor signal due to internal failure.

How to Fix GE Oven Error Code F3

Try these troubleshooting steps before calling for professional repair.

1. Reset the Oven

Sometimes the error occurs due to a temporary electronic glitch.

Steps:

1. Turn off the oven.

2. Unplug the oven or turn off the circuit breaker.

3. Wait 5–10 minutes.

4. Restore power and turn the oven back on.

If the error does not return, the problem was likely temporary.

2. Inspect the Temperature Sensor

The oven temperature sensor is usually located inside the oven cavity on the back wall.

Check for:

• Visible damage

• Loose mounting screws

• Burn marks on the sensor

If the sensor appears damaged, it will need replacement.

3. Check Sensor Wiring

Turn off power to the oven and inspect the wiring connected to the sensor.

Look for:

• Loose connectors

• Frayed wires

• Burned insulation

Repairing or reconnecting the wiring may fix the issue.

4. Test the Temperature Sensor

A working oven sensor typically measures around 1100 ohms at room temperature.

If you use a multimeter and the reading is far outside this range, the sensor is faulty and should be replaced.

5. Replace the Control Board (If Necessary)

If the sensor and wiring are working correctly but the oven still shows the F3 error, the electronic control board may need replacement.

This is less common but can happen in older ovens.

When to Call a Technician

You may need professional repair if:

• The F3 error returns after resetting the oven

• The oven overheats or shuts off during cooking

• The sensor test shows inconsistent readings

• You are not comfortable working with appliance wiring

A technician can confirm whether the sensor, wiring, or control board is causing the problem.

Conclusion

The GE oven error code F3 usually indicates a problem with the oven temperature sensor or its wiring. In many cases, replacing the sensor resolves the issue quickly and restores normal oven operation.

Start by resetting the oven and inspecting the sensor. If the error continues, testing and replacing the temperature sensor is often the most effective solution.

With proper troubleshooting, you can fix the problem and get your GE oven working again.

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