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Error code reference

Maytag Oven Error Code FR

Second oven error sensed.

Maytag codesMaytag oven codes

Second oven error sensed.

First step from the service manual

Ohm J2 harness wires end-to-end, ohm sensor per Oven Sensor Chart, then replace second oven board.

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

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  • Wiring diagram references and connector pinouts from the OEM service manual
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What FR means on a Maytag oven

The FR error code on a Maytag oven indicates that the control system has detected a fault in the second oven circuit. This code is specific to dual-oven configurations where the primary control board communicates with a secondary oven board to manage the lower or secondary cavity. When the main control detects an abnormal signal or loss of communication from the second oven's sensor or board, it triggers the FR code to alert the technician that something in that secondary circuit has failed or is out of specification.

Diagnosis begins at the J2 wiring harness, which connects the second oven sensor to the control board. Each wire in the harness should be tested end-to-end for continuity to rule out an open or shorted conductor. If the harness tests good, the oven temperature sensor for the second cavity must be tested using the resistance values specified in the Oven Sensor Chart for that model. A sensor reading outside the expected resistance range at a known ambient temperature indicates a failed sensor that must be replaced.

If both the J2 harness wiring and the second oven sensor test within specification, the fault is most likely internal to the second oven control board itself. The board may have failed due to component degradation, a power surge, or heat-related damage over time. In that case, the second oven board requires replacement. Following the diagnostic sequence in order is important because replacing the board without first confirming harness and sensor integrity can result in an unnecessary repair expense.

Source: manufacturer service documentation.

Common causes of FR

  1. 01

    Faulty J2 wiring harness connection

    Part replacement

    A broken, shorted, or corroded wire in the J2 harness that connects the second oven sensor to the control board can interrupt the signal and trigger the FR code. Testing each wire end-to-end with an ohmmeter will reveal any open or short circuits in the harness.

  2. 02

    Failed second oven temperature sensor

    Part replacement

    The temperature sensor in the second oven cavity can fail over time, producing a resistance reading outside the range specified in the Oven Sensor Chart for that model. An out-of-range sensor reading at a known temperature confirms the sensor needs replacement.

  3. 03

    Defective second oven control board

    Part replacement

    If the harness and sensor both test within specification, the second oven board itself is likely the source of the fault. Internal component failure on the board can cause it to send or receive incorrect signals, triggering the FR error.

  4. 04

    Loose or disconnected harness connector

    Wiring / connection

    A connector at the J2 harness plug point that has worked loose due to vibration or heat cycling can cause an intermittent or persistent FR error without any actual component failure. Reseating the connector securely may resolve the code if no other faults are found.

See the test procedure for each cause

Frequently asked questions about FR

What does FR mean on a Maytag oven?
The FR code on a Maytag oven indicates that the control system has detected an error in the second oven circuit, typically in a dual-oven configuration. It points to a problem with the J2 wiring harness, the second oven temperature sensor, or the second oven control board. The code will not clear until the underlying fault is identified and corrected. A proper diagnosis involves testing the harness wiring, checking the sensor resistance, and then evaluating the board if those components test good.
Can I fix the FR error on my Maytag oven myself?
A knowledgeable DIYer with a multimeter can perform the initial diagnostic steps, including checking the J2 harness wires for continuity and testing the second oven sensor resistance against the Oven Sensor Chart values. However, if the second oven board needs replacement, that repair involves working near high-voltage components and requires careful handling. If you are not comfortable working with oven electrical components, it is best to contact a qualified appliance repair technician.
Is it safe to use my Maytag oven while the FR code is showing?
The FR code indicates a fault in the second oven circuit, which means the secondary oven cavity may not be operating correctly or at all. Continuing to use the primary oven may be possible depending on the model, but using the second oven while this fault is active is not recommended because temperature control in that cavity cannot be trusted. You should have the fault diagnosed and repaired before relying on the second oven for cooking.
Will resetting the Maytag oven clear the FR error code?
Resetting the oven by cutting power at the breaker for a few minutes may temporarily clear the FR code, but if an underlying fault exists in the harness, sensor, or second oven board, the code will return once the oven is powered back on and the control runs its diagnostics. A reset is not a repair and should only be used as part of an organized diagnostic process, not as a long-term solution.
How much does it cost to repair a Maytag oven FR error code?
Repair costs vary depending on which component has failed. A replacement temperature sensor typically runs in the range of $20 to $75 for the part alone, while a second oven control board can cost anywhere from $100 to $300 or more depending on the model. Adding professional labor charges, total repair costs generally fall between $150 and $450. Getting a firm estimate from a technician after diagnosis is the best way to understand the actual cost for your specific situation.

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