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Error code reference

Kenmore Range Error Code F93

Door motor mechanism failure (F90 to F94).

Kenmore codesKenmore range codes

Door motor mechanism failure (F90 to F94).

First step from the service manual

Press CLEAR key. If CLEAR key does not eliminate problem, turn off power for 30 seconds then turn on power. Check wiring of Lock Motor, Lock Switch, and Door Switch circuits.

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

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What F93 means on a Kenmore range

The F93 error code on a Kenmore range indicates a door motor mechanism failure, falling within the F90 through F94 family of door-related fault codes. This code specifically points to a problem in the automatic door locking system, which is used during self-clean cycles to secure the oven door. The control board detects a failure when the lock motor, lock switch, or door switch circuits do not respond as expected during a locking or unlocking sequence.

The door locking system consists of three primary components that work together: the lock motor (which physically drives the latch mechanism), the lock switch (which signals the control board when the latch is fully engaged), and the door switch (which confirms whether the door is open or closed). If any of these components fail to send the correct signal within the expected time window, the control board logs the F93 fault. Common failure points include broken wiring harness connections, a seized or burned-out lock motor, or switches that have worn contacts and no longer make reliable continuity.

Diagnosing this fault requires a systematic approach starting with a power reset. First, press the CLEAR key to attempt to dismiss the code. If the error persists, disconnect power to the range for 30 seconds, then restore power. If the code returns, inspection of the wiring harness connecting the lock motor, lock switch, and door switch is the next step. Look for damaged insulation, loose connectors, or corrosion at the terminals. If wiring checks out, each switch should be tested for proper continuity, and the lock motor should be tested for correct operation.

Source: manufacturer service documentation.

Common causes of F93

  1. 01

    Loose or damaged wiring harness

    Wiring / connection

    The wiring connecting the lock motor, lock switch, and door switch can become loose, corroded, or frayed over time. Inspect all connectors and wire insulation in the door lock circuit for visible damage or poor seating.

  2. 02

    Failed lock motor

    Part replacement

    The lock motor drives the physical latch mechanism and can burn out or seize, especially after repeated self-clean cycles. A motor that does not turn or draws no power will trigger this fault.

  3. 03

    Faulty lock switch

    Part replacement

    The lock switch signals the control board when the latch has fully engaged. If the switch contacts are worn or broken, the board never receives confirmation that the door is locked, resulting in the F93 fault.

  4. 04

    Defective door switch

    Part replacement

    The door switch tells the control board whether the oven door is open or closed. A failed door switch can cause the lock sequence to behave incorrectly, triggering the error even if the motor and lock switch are functional.

  5. 05

    Control board communication issue

    Part replacement

    In some cases, the control board itself may fail to properly command or read the door lock circuit, producing a false F93 code. This is typically only suspected after the motor, switches, and wiring have been confirmed good.

See the test procedure for each cause

Frequently asked questions about F93

What does F93 mean on a Kenmore range?
F93 on a Kenmore range indicates a door motor mechanism failure within the F90 to F94 fault code group. It means the control board has detected a problem in the automatic door locking system, which includes the lock motor, lock switch, and door switch circuits. This system is primarily used to secure the oven door during self-clean cycles. The fault appears when the locking or unlocking sequence does not complete as expected.
Will pressing CLEAR or resetting the power fix the F93 error?
A power reset can sometimes clear the F93 code if it was triggered by a temporary glitch. Start by pressing the CLEAR key, and if the code persists, turn off power to the range for 30 seconds before restoring it. If the error returns after the reset, there is likely a physical problem with the lock motor, a switch, or the wiring that will need to be inspected and repaired.
Is it safe to use my Kenmore range when the F93 code is displayed?
Normal baking and cooking functions may still be available depending on how the control board responds to the fault, but you should not attempt to run a self-clean cycle while this code is active. The door locking system is a safety feature designed to keep the oven door sealed during the high temperatures of a self-clean cycle. Operating the self-clean function with a faulty door lock mechanism could present a safety risk.
How much does it cost to repair an F93 error on a Kenmore range?
Repair costs vary depending on which component has failed. A replacement lock motor or switch part typically ranges from $20 to $80 in parts alone. If a technician is needed for diagnosis and installation, total repair costs including labor can range from $100 to $300 or more. If the control board is the root cause, parts and labor costs can be higher.
What should I check first when diagnosing the F93 code on my Kenmore range?
After attempting a power reset, the first physical inspection should focus on the wiring harness connected to the lock motor, lock switch, and door switch. Check for loose connectors, corroded terminals, or damaged wire insulation. If the wiring appears intact, each switch should be tested for proper continuity, and the lock motor should be checked to confirm it operates correctly when power is applied.

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