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Error code reference

Maytag Oven Error Code 4d41

High reverse airflow fan rotation detected (high RPM) during cook or clean (upper oven, UH1/2 control only).

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High reverse airflow fan rotation detected (high RPM) during cook or clean (upper oven, UH1/2 control only).

First step from the service manual

Check convection fan motor and control board.

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

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  • Step-by-step tests with expected resistance, voltage, and continuity values
  • Wiring diagram references and connector pinouts from the OEM service manual
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What 4d41 means on a Maytag oven

Error code 4D41 on a Maytag upper or single oven (UH control only) indicates the control board detected abnormally high RPM from the convection fan motor during a cook or clean cycle. Specifically, the board is reading reverse airflow fan rotation at a speed that exceeds acceptable parameters. This code applies exclusively to the upper or single oven cavity on UH control board configurations. The first diagnostic steps are to inspect the convection fan motor and the control board, as either can produce this fault condition. Once triggered, 4D41 disables all cooking functions for the affected cavity until the fault is cleared.

For homeowners, this means the convection fan inside your oven is spinning too fast or spinning in the wrong direction, and your oven's computer shut everything down as a precaution. The fan that circulates hot air during baking or self-cleaning has either malfunctioned or is receiving incorrect signals from the control board. You will not be able to bake, broil, or run a self-clean cycle until the underlying problem is resolved. In most cases, the convection fan motor itself has failed, though a faulty control board sending incorrect voltage to the motor is also a documented cause of this code.

Source: manufacturer service documentation.

Common causes of 4d41

  1. 01

    Failed convection fan motor

    Part replacement

    A worn or shorted convection fan motor can spin erratically or at uncontrolled speeds, triggering the high RPM fault. Internal motor winding failure is the most common hardware cause of this code.

  2. 02

    Faulty UH control board

    Part replacement

    The UH control board may output incorrect voltage or an improper signal to the convection fan motor, causing the motor to run at excessive or reversed RPM. A defective board can produce this code even when the motor itself tests within spec.

  3. 03

    Damaged or loose wiring harness between control board and fan motor

    Wiring / connection

    A chafed, burnt, or disconnected wiring harness can cause irregular power delivery to the convection fan motor, producing erratic rotation speeds that register as a high RPM fault. Inspect connector pins and wire insulation along the entire harness run.

  4. 04

    Fan blade obstruction or mechanical binding

    Wiring / connection

    A foreign object or a blade that has shifted on the motor shaft can cause the motor to work against resistance, producing speed fluctuations that the control board interprets as an out-of-range condition. Check the fan blade for contact with the shroud or debris buildup.

See the test procedure for each cause

Frequently asked questions about 4d41

What does error code 4D41 mean on a Maytag oven?
Code 4D41 means the control board detected high reverse airflow fan rotation, meaning the convection fan motor exceeded acceptable RPM limits during a cook or clean cycle. This code is specific to upper or single oven models running the UH control board. The oven disables all cooking functions for the affected cavity when this fault is active.
Can I still use my Maytag oven with error code 4D41 active?
No. When 4D41 triggers, the control board disables all cooking functions for the cavity where the fault occurred. You cannot bake, broil, or run a self-clean cycle until the fault is diagnosed and cleared. Attempting to bypass this lockout is not recommended, as an uncontrolled convection fan motor can pose a fire risk during high-heat operation.
How do I fix error code 4D41 on a Maytag oven?
Start by disconnecting power to the oven for at least five minutes and inspecting the convection fan blade for obstructions or contact with the shroud. Reconnect power and check whether the code returns. If it does, test the convection fan motor for winding continuity and verify the wiring harness between the motor and the UH control board. If the motor tests faulty, replace it. If the motor tests good, the UH control board is the next component to replace.
How much does it cost to fix a Maytag oven with error code 4D41?
A replacement convection fan motor for a Maytag oven typically costs between $40 and $120 for the part, and replacing it is a moderate DIY task requiring basic tools and comfort working inside the oven cavity. A UH control board runs between $150 and $350 depending on the model. If you hire a technician, add $100 to $200 for labor. Confirm which component is at fault before ordering parts, since replacing the wrong one adds unnecessary cost.
Is the 4D41 code on a Maytag oven a control board problem or a fan motor problem?
It can be either, which is why Maytag's first troubleshooting step covers both components. The convection fan motor is the more common failure point because internal winding faults cause erratic speeds that trigger the high RPM detection. However, the UH control board can generate the same code if it is sending incorrect voltage to the motor. Testing the motor for continuity first narrows down the cause before committing to a more expensive board replacement.

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