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Thermador Oven Error Codes

Thermador Oven Error Code E224 or E226

Thermador ovens are known for their precision and high-performance cooking capabilities. However, even the most advanced appliances can encounter issues, and one such issue is the appearance of error codes like E224 or E226. These codes typically indicate a problem with the lower oven door switch and lower oven door latch switch not being in agreement. In this blog post, we will explore this error code in detail and provide step-by-step guidance on how to diagnose and resolve it effectively.

Error Code Description

The E224 or E226 error code signals a disagreement between the lower oven door switch and the lower oven door latch switch. When these components are not in sync, it can affect the proper functioning of your Thermador oven.

Troubleshooting Steps:

  1. Safety First:

    Before proceeding, ensure the electrical power to your oven is disconnected to prevent any accidents or electric shocks.

  2. Inspect Wire Harness Connections:

    Begin by carefully inspecting the wire harness connections on both the lower oven door switch and the lower oven door latch. Over time, these connections can become loose or damaged, leading to a malfunction. Reconnect any loose wires securely.

  3. Replace Damaged Wire Harnesses:

    If you discover any damaged wire harnesses during your inspection, it’s crucial to replace them with new, intact harnesses. Faulty wiring can often be the root cause of the error code.

  4. Test the Lower Oven Door Switch:

    Verify whether the lower oven door switch is controlling the oven light correctly. If it is not functioning as it should, replacing the switch is recommended.

  5. Replace the Lower Oven Door Latch Assembly:

    If, after thorough inspection and testing, the lower oven door switch is functioning correctly, but the problem persists, it may be necessary to replace the lower oven door latch assembly.

  6. Consider Replacing the Electronic Oven Control Board:

    If none of the above steps resolve the issue, it may indicate a problem with the electronic oven control board. In such cases, replacing the control board is often the final solution.

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