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Error code reference

Maytag Range Error Code F3:1

Oven sensor is shorted or open.

Maytag codesMaytag range codes

Oven sensor is shorted or open.

First step from the service manual

Check sensor, harness, and connections.

The complete diagnostic procedure includes additional test steps, resistance specifications, wiring diagram references, and component test points.

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What F3:1 means on a Maytag range

The F3:1 error code on a Maytag range indicates a fault in the oven temperature sensor circuit. The control board has detected that the sensor is either shorted (resistance too low) or open (resistance too high or no continuity). The oven temperature sensor, also called an RTD (Resistance Temperature Detector), is a probe mounted inside the oven cavity that changes its electrical resistance in proportion to temperature. The control board reads this resistance to determine oven temperature and regulate the heating elements accordingly.

When the sensor shorts, its resistance drops to near zero, causing the board to read an unrealistically high temperature. When the circuit is open, resistance becomes infinite and the board receives no valid temperature signal. Either condition prevents the oven from operating safely, so the control board locks out oven functions and displays F3:1. Common triggers include a failed sensor probe, damaged or pinched wiring in the harness between the sensor and the control board, or corroded and loose connector pins at either end of that circuit.

Diagnosis begins with a visual inspection of the sensor probe and its wiring harness for obvious damage, burn marks, or pinched sections. A functioning oven sensor typically reads approximately 1080 to 1090 ohms of resistance at room temperature. Measuring the sensor resistance with a multimeter and checking for continuity through the harness will confirm whether the sensor itself or the wiring is at fault.

Source: manufacturer service documentation.

Common causes of F3:1

  1. 01

    Failed oven temperature sensor

    Part replacement

    The sensor probe itself has shorted internally or broken open, producing an out-of-range resistance reading. A multimeter check of the sensor terminals at room temperature will show a reading far outside the expected range of roughly 1080 to 1090 ohms.

  2. 02

    Damaged wiring harness

    Part replacement

    The wire harness running from the sensor to the control board can become pinched, melted, or broken, especially near oven door hinges or the oven rear wall. Inspect the full length of the harness for visible damage and test for continuity.

  3. 03

    Loose or corroded connector

    Wiring / connection

    Connectors at the sensor end or at the control board can loosen or corrode over time, creating an intermittent or broken circuit. Unplug and firmly reseat all connectors in the sensor circuit and check for corrosion or bent pins.

  4. 04

    Control board fault

    Part replacement

    If the sensor and harness both test within spec, the control board itself may be misreading the sensor circuit due to a component failure on the board. This is less common but should be considered after ruling out the sensor and wiring.

See the test procedure for each cause

Frequently asked questions about F3:1

What does F3:1 mean on a Maytag range?
F3:1 indicates that the oven temperature sensor circuit is shorted or open. The control board is not receiving a valid resistance signal from the sensor probe inside the oven cavity. This prevents the oven from regulating temperature correctly, so oven functions are disabled until the fault is corrected.
Can I fix the F3:1 error myself?
A knowledgeable DIYer can diagnose this code by inspecting the sensor, testing its resistance with a multimeter, and checking the harness for damage. If the sensor resistance at room temperature is far outside the roughly 1080 to 1090 ohm range, replacing the sensor is a straightforward repair. Harness repairs or control board replacement are more involved and may benefit from professional service.
Is it safe to use my Maytag range when F3:1 is displayed?
You should not attempt to use the oven while this code is active. The control board cannot accurately read oven temperature, which means it cannot regulate heating elements safely. Surface burners on gas or electric ranges may still function, but oven use should be avoided until the fault is diagnosed and repaired.
How much does it cost to fix a Maytag F3:1 error?
If only the oven temperature sensor needs replacement, parts typically cost in the range of $20 to $75 depending on the model, making it one of the more affordable oven repairs. If the control board is at fault, parts alone can run from $100 to $300 or more. Adding professional labor will increase the total cost accordingly.
Will resetting the range clear the F3:1 error code?
Disconnecting power to the range for a few minutes may temporarily clear the error code, but it will return as soon as the control board checks the sensor circuit again if the underlying fault is still present. A reset does not fix a failed sensor, broken wire, or faulty connection. The root cause must be identified and corrected for the code to clear permanently.

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