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Error code reference

Thermador Range Error Code d:13

WFMC motor control

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What the d:13 error code actually means

Your Thermador range has detected that the motor got too hot and shut itself off to prevent damage. This usually happens because something is jammed or stuck, making the motor work harder than it should. The range needs to cool down before it can work again, and the underlying cause of the overheating should be found and fixed.

Diagnostic procedure

The full d:13 procedure

Step 1 is visible so you can confirm you are on the right page. The remaining steps, the ones that tell you whether to actually replace a part, unlock with any pass.

MyPros+ · DiagnosticsStep 1 preview
1
Confirm the fault
Power cycle the unit: switch off the breaker for 60 seconds, then restore power. If the code returns, the fault is persistent and the procedure below isolates the cause.
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Most common causes of d:13

Ranked by how often they cause this code
  1. 1Mechanical binding in motor drive components
  2. 2Motor overload from worn motor bearings
  3. 3Debris or obstruction blocking the driven assembly
  4. 4Faulty WFMC motor control board
  5. 5Inadequate ventilation around motor components

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Questions people ask about d:13

What does d:13 mean on a Thermador range?
Error code d:13 indicates that the WFMC motor control system has detected a high-temperature condition and performed a protective shut-off. This happens when the motor overheats due to overloading or mechanical binding in the drive components. The fault is a safety feature designed to protect the motor and control electronics from heat damage. The range must cool down completely before attempting to restart.
Is it safe to keep using the range when d:13 appears?
No, you should stop using the range when this error is active. The motor has shut down due to overheating, and continuing to attempt operation before identifying and correcting the root cause can lead to permanent motor or control board damage. Allow the unit to cool completely and investigate the cause of the thermal overload before resuming use.
Will resetting the range clear the d:13 error code?
A power reset may clear the fault code temporarily once the motor has cooled and the thermal protection switch resets, but it will not fix the underlying problem. If the cause of the overheating is not corrected, the motor will overheat again under load and the d:13 code will return. A reset should be used only as part of the diagnostic process, not as a permanent solution.
Can I fix the d:13 error myself?
Some causes of the d:13 fault are DIY-accessible, such as clearing debris or obstructions from the motor or blower assembly. However, if the problem involves worn motor bearings, a seized drive component, or a faulty motor control board, those repairs typically require part replacement and a comfort level with appliance disassembly. If you are unsure about working with appliance electrical systems, a qualified technician is the safer choice.
How much does it cost to repair a d:13 error on a Thermador range?
Repair costs vary depending on the root cause. If the fix involves clearing an obstruction, costs may be limited to a service call fee, typically in the range of $80 to $150. Motor replacement or motor control board replacement on a Thermador range can range from $250 to $600 or more, including parts and labor. Getting a diagnostic inspection before committing to parts replacement is recommended.

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