3EInfo
Samsung Dryer 3E Error Code
Moisture sensor (if equipped) is dirty or faulty.
Common causes
- Lint or buildup on sensor bars
- Faulty sensor
- Wiring issue
How to fix it
- Clean sensor bars on front lint filter housing with a soft cloth
- Ensure sensor wires are connected
- Test sensor with multimeter for correct resistance
⚠ When to call a pro: If cleaning does not fix, call a technician to test sensor and wiring.
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Always unplug the appliance (and turn off the water for washers/dishwashers) before inspecting. These guides are for information only and are not a substitute for a professional repair.