Samsung Moisture Sensor Malfunction

Dryer shuts off before clothes are dry when using Sensor Dry cycles, but works better on Timed Dry.

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Possible Causes

Dirty or coated moisture sensor bars, Broken moisture sensor wiring, Faulty moisture sensor, Defective main PCB sensor circuit

How to Fix / Troubleshooting

Safety: Unplug the dryer.

  • Clean sensor bars: Scrub the metal moisture sensor bars inside the drum with a soft cloth and mild abrasive (like baking soda paste) to remove residue.
  • Avoid dryer sheets: Reduce use of dryer sheets or fabric softeners that coat the sensors.
  • Inspect wiring: Access the back of the sensor bars and ensure the harness is intact and firmly connected.
  • Replace sensor: If cleaning and wiring checks do not help, replace the moisture sensor assembly.
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Repair Difficulty

Easy 2/5

Required Part

Moisture Sensor Bars
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