E52
Zanussi
Motor Tachometer Signal Fault
Zanussi dryer intermittently stops or fails to start the drum and displays E52.
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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 coil, Loose tachometer connector, Damaged tachometer wiring, Faulty control board tach input
How to Fix / Troubleshooting
Safety first: Unplug the dryer before accessing the motor or control board.
- 1. Access the motor: Remove the rear panel and belt to expose the motor. Locate the small tachometer sensor at the end of the motor shaft.
- 2. Check connections: Ensure the tachometer connector is firmly attached and free of corrosion.
- 3. Inspect wiring: Follow the tachometer wires back to the control board, checking for pinched or broken sections. Repair as needed.
- 4. Test tachometer (advanced): Use a multimeter to measure resistance across the tach coil. An open circuit indicates a failed tachometer, requiring motor replacement on most models.
- 5. Control board check: If the tachometer and wiring are good, the control board may not be reading the signal correctly and may need replacement.
- 6. Seek professional help: Motor replacement and PCB diagnostics are best handled by a qualified technician.
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Repair Difficulty
Hard
4/5
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