E17
Siemens
Drum Position / Rotation Sensor Fault (Tacho)
Dryer shows E17; may be related to sensor or calibration issues
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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 motor tachometer sensor, Loose tacho magnet on motor shaft, Damaged tacho wiring, Defective motor control circuit on power module
How to Fix / Troubleshooting
Safety first: Unplug the dryer before accessing the motor area.
- Check drum rotation: Manually rotate the drum to ensure it moves freely and is not jammed.
- Access motor and tacho: Remove the rear panel and belt to expose the motor. Locate the tachometer sensor at the end of the motor.
- Inspect tacho magnet and sensor: Ensure the magnet is firmly attached to the shaft and the sensor is correctly positioned. If the magnet is loose or broken, replace it or the motor assembly.
- Test tacho wiring: Check continuity from the tacho sensor to the control board. Repair any breaks or poor connections.
- Module diagnosis: If the tacho and wiring are good, the motor control section of the power module may be faulty and require replacement.
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Repair Difficulty
Hard
4/5
Required Part
Motor Tachometer Sensor
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