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Error code reference

Wolf Oven Error Code E118/F29

Open circuit in the motor for the door lock.

Wolf codesWolf oven codes

Open circuit in the motor for the door lock.

First step from the service manual

Check the wiring.

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

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What E118/F29 means on a Wolf oven

Error code E118/F29 on a Wolf oven indicates an open circuit in the door lock motor. The door lock motor is a critical component of the self-clean cycle system, responsible for physically engaging and disengaging the door latch mechanism. When the oven control board sends a signal to lock the door and receives no feedback confirming motor movement, or detects an interruption in the motor circuit, it triggers this fault code and halts operation to prevent unsafe conditions.

An open circuit in this context means the electrical path between the control board and the door lock motor is broken somewhere along the circuit. This can occur at the motor itself, in the wiring harness running to the motor, or at the connectors linking those components. The control board cannot complete the circuit, so it cannot confirm the door is secured before allowing high-temperature self-clean operation to begin.

The first diagnostic step is a thorough inspection of the wiring. Technicians should trace the wiring harness from the control board to the door lock motor assembly, checking for any pinched, burnt, or broken wires. Connectors should be unplugged and inspected for corrosion, pushed-back terminals, or heat damage. If the wiring checks out visually and with a continuity test, the door lock motor itself should be tested for continuity across its terminals. A reading of infinite resistance across the motor terminals confirms an internal open in the motor winding, indicating the motor assembly requires replacement.

Source: manufacturer service documentation.

Common causes of E118/F29

  1. 01

    Damaged or broken wiring harness

    Part replacement

    The wiring between the control board and the door lock motor can become pinched, frayed, or broken over time, especially near door hinges or routing clips. Visually inspect the full length of the harness and test continuity with a multimeter.

  2. 02

    Corroded or loose connector

    Wiring / connection

    Connectors in the door lock motor circuit can develop corrosion or loose terminals that interrupt the circuit. Unplug each connector in the circuit and inspect the terminals for oxidation, pushed-back pins, or heat discoloration.

  3. 03

    Failed door lock motor

    Part replacement

    The motor winding inside the door lock assembly can fail internally, creating an open circuit even when all external wiring is intact. Test the motor terminals with a multimeter for continuity; infinite resistance confirms a failed motor.

  4. 04

    Heat-damaged wiring near the lock assembly

    Part replacement

    High temperatures during self-clean cycles can degrade wire insulation near the door lock assembly over time, eventually causing a wire to break or short out. Inspect wiring closest to the oven cavity for signs of heat stress or melted insulation.

  5. 05

    Faulty control board output

    Part replacement

    If the control board is not sending proper voltage to the door lock motor circuit, the motor cannot operate and the circuit will appear open. This is the least common cause and should only be considered after ruling out all wiring and motor issues.

See the test procedure for each cause

Frequently asked questions about E118/F29

What does E118/F29 mean on a Wolf oven?
E118/F29 on a Wolf oven indicates an open circuit detected in the door lock motor circuit. The control board cannot complete the electrical path to the motor that physically locks the door during self-cleaning. This fault prevents the self-clean cycle from starting until the issue is resolved. The most likely causes are a broken wire, a damaged connector, or a failed door lock motor.
Can I fix E118/F29 on my Wolf oven myself?
A knowledgeable DIYer can start by visually inspecting the wiring harness and connectors leading to the door lock motor for obvious damage, corrosion, or loose terminals. Using a multimeter to test continuity through the circuit can help pinpoint whether the break is in the wiring or inside the motor itself. Replacing wiring or connectors is a feasible DIY repair, but replacing the door lock motor assembly may require more technical skill. If you are not comfortable working with oven wiring, a qualified appliance technician should perform the diagnosis and repair.
Is it safe to use my Wolf oven when E118/F29 is displayed?
Standard baking and cooking functions may still operate, but the self-clean cycle will be disabled until the fault is cleared. The oven is designed to prevent self-cleaning without a confirmed door lock, which is a safety feature to protect against accidental opening during extremely high temperatures. It is advisable to have the fault repaired before attempting any self-clean cycle. If the oven behaves abnormally in any other way, stop using it and contact a technician.
How much does it cost to repair E118/F29 on a Wolf oven?
Repair costs depend on what component has failed. If only a wiring repair or connector replacement is needed, costs are typically in the range of $100 to $250 for a service call and labor. If the door lock motor assembly needs replacement, parts and labor combined can range from $200 to $450 or more depending on your location and the specific parts required. Wolf appliances are premium products and may carry higher parts costs than standard brands.
Will resetting the oven clear the E118/F29 error code?
Resetting the oven by cutting power at the breaker for several minutes may temporarily clear the fault code, but the error will return if the underlying open circuit in the door lock motor wiring or motor itself has not been repaired. A reset does not fix the broken electrical connection that triggered the code. Permanent resolution requires identifying and correcting the fault in the door lock motor circuit.

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