E52
Hansa Tachometer Signal Loss

Washer displays E52; motor speed feedback error.

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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

Loose tachometer connector on motor, Broken tachometer coil, Damaged wiring to control module, Faulty control module input

How to Fix / Troubleshooting

Safety first: Disconnect power before accessing the motor.

  • Check tach connector: At the rear of the motor, ensure the small tachometer connector is firmly attached.
  • Measure tach coil: Disconnect the tach and measure resistance; a typical value is a few hundred ohms. Replace the tachometer or motor if open circuit.
  • Inspect wiring: Trace the tach wires to the control board and repair any breaks or chafing.
  • Control module: If wiring and tach are good, the control board may not be reading the signal correctly and may need replacement.
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Repair Difficulty

Hard 4/5

Required Part

Motor Tachometer Sensor
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