E17
Thermador
Weight / Load Sensor or Program Logic Error
Microwave displays E17, and sensor cooking or auto programs fail to start.
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Safety Warning
This repair may involve working with high voltage components or water connections. Always unplug the appliance before removing any panels.
If you are not confident in your ability to perform this repair safely, we strongly recommend contacting a professional technician.
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Possible Causes
Faulty load or weight sensor (if equipped), Corrupted auto program data in the control, Incorrect installation affecting sensor readings, Loose sensor wiring
How to Fix / Troubleshooting
Safety first: Disconnect the power before internal inspection.
- Step 1 – Reset programs: Perform a factory reset if available in the Thermador user menu, or disconnect the power for 10 minutes.
- Step 2 – Use manual mode: Verify that manual time/power cooking works normally. If only auto/sensor modes fail, the issue is likely with the sensors or logic.
- Step 3 – Check installation: Ensure the microwave is level and installed as per Thermador specifications; incorrect tilt can affect some sensors.
- Step 4 – Internal check (qualified persons only): Inspect any load/weight sensor assemblies and wiring for secure mounting and connections.
- Step 5 – Control replacement: If the sensors and wiring are intact, the main control may need replacement.
Note: Refer to the model-specific service manual for sensor locations and test values.
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Repair Difficulty
Hard
4/5
Required Part
Main Control Board
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