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Error code reference

Maytag Range Error Code F9-3

Upper oven lock and unlock switch both in error.

Maytag codesMaytag range codes

Upper oven lock and unlock switch both in error.

First step from the service manual

Check switches and wiring to latch assembly.

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

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What F9-3 means on a Maytag range

F9-3 on a Maytag range indicates the control board is not receiving a signal from the upper door lock switch. During a self-clean cycle, the control board sends power to the door lock motor and then listens for a confirmation signal from the lock switch confirming the door has latched. When that signal never arrives, the board throws F9-3 and halts the cycle. The fault is specific to the upper oven door lock assembly, distinguishing it from related codes tied to a lower door lock on double-oven models.

In plain terms, your oven tried to lock its upper door before running a self-clean cycle and never got confirmation that the lock actually engaged. This could be a broken wire between the lock assembly and the control board, a failed lock switch that cannot send the signal, or a door lock motor that is not moving the latch into position at all. The oven stops the cycle as a safety measure because running a self-clean at extreme temperatures with an unlocked door would be dangerous.

Start by inspecting the wire harness that connects the upper door lock assembly to the control board. Look for pinched, burnt, or disconnected wires and connectors before replacing any parts. If the harness checks out, the lock switch or the full lock assembly is the most likely culprit.

Source: manufacturer service documentation.

Common causes of F9-3

  1. 01

    Damaged or disconnected lock wire harness

    Wiring / connection

    The wiring harness running from the upper door lock assembly to the control board can become pinched, burned, or pull loose from its connector, breaking the signal path. This is the first component to inspect because a wiring fault is common and does not always require part replacement.

  2. 02

    Failed upper door lock switch

    Part replacement

    The lock switch is a small sensor that closes the circuit when the door latch reaches the locked position. If the switch contacts fail or the switch itself breaks, the control board never sees confirmation that the door is locked and triggers F9-3.

  3. 03

    Defective upper door lock motor assembly

    Part replacement

    The lock motor physically drives the latch into the locked position. If the motor has burned out or seized, the latch never moves, the switch never closes, and the control board faults out with F9-3.

  4. 04

    Faulty control board

    Part replacement

    If the harness, switch, and motor all test correctly, the control board itself may have lost the ability to send power to the lock circuit or read the returning signal. A failed board is the least common cause of F9-3 but should be considered after all other components are verified.

See the test procedure for each cause

Frequently asked questions about F9-3

What does error code F9-3 mean on a Maytag range?
F9-3 means the control board sent a command to lock the upper oven door but did not receive a confirmation signal back from the upper door lock switch. This fault appears almost exclusively when you start a self-clean cycle. The control board halts the cycle until the lock circuit issue is resolved.
How do I fix F9-3 on a Maytag range?
Start by unplugging the range and locating the wire harness that runs from the upper door lock assembly to the control board. Check for loose connectors, burnt wires, or pinched sections and repair or reseat them as needed. If the harness is intact, test the door lock switch for continuity with a multimeter. A switch with no continuity when the latch is in the locked position needs to be replaced. If both the harness and switch are fine, the door lock motor assembly is the next part to replace.
Can I still use my Maytag range with error code F9-3?
Normal baking and broiling functions are typically still available because F9-3 is tied specifically to the self-clean door lock circuit. You should not attempt to run the self-clean cycle while this fault is active, as the oven will not lock the door and will abort the cycle anyway. If the range is otherwise cooking normally, you can continue using it for standard cooking until you complete the repair.
How much does it cost to fix F9-3 on a Maytag range?
If the fix is a loose or reseated wire connector, there is no parts cost. A replacement door lock switch typically costs between $20 and $50 for the part. A full door lock motor assembly generally runs $40 to $100 depending on the model. If you hire a technician, expect a service call fee of $75 to $150 plus labor, which can add another $50 to $100 on top of parts. The repair is manageable as a DIY job if you are comfortable using a multimeter and working with appliance wiring.
Will resetting my Maytag range clear the F9-3 error code?
Unplugging the range for a minute and restoring power may temporarily clear the code, but F9-3 will return as soon as you attempt another self-clean cycle if the underlying issue with the lock wire harness or lock switch has not been fixed. A reset is useful for confirming the fault is repeatable, but it is not a repair.

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