Amana Oven Error Code F3

F3 on an Amana oven indicates an open temperature sensor or sensor circuit, meaning the control board is reading a resistance above 3000 ohms from the oven temperature sensor. This prevents the oven from accurately monitoring internal temperature, so it shuts down as a safety measure. The fault points to either a failed sensor, a wiring issue, or a loose connection in the sensor circuit.

No, you should not attempt to use the oven while the F3 code is active. Because the control board cannot accurately read the oven's internal temperature, it cannot regulate heat properly, which creates a risk of overheating. The oven should remain out of service until the sensor or wiring fault is diagnosed and repaired.

Resetting the oven by cutting power at the breaker for a few minutes may temporarily clear the F3 code, but it will return as soon as the control board detects the out-of-range resistance again. A reset does not fix the underlying fault in the sensor or wiring. The code will keep reappearing until the defective component is identified and replaced.

Many homeowners and DIYers can resolve F3 by replacing the oven temperature sensor, which is a straightforward repair requiring a screwdriver and a multimeter to confirm the diagnosis. Start by measuring the sensor resistance at room temperature; if it reads significantly above 1000 to 1100 ohms, the sensor needs to be replaced. Also check that all connectors in the sensor wiring harness are fully seated before ordering parts.

If the problem is a failed oven temperature sensor, the part typically costs in the range of $15 to $50 depending on the model, making it one of the more affordable oven repairs. If the wiring harness needs replacement or the issue turns out to be a faulty control board, costs can rise to the range of $150 to $400 or more including labor. Getting a resistance reading on the sensor before ordering parts helps avoid unnecessary expenses.