3E1
Samsung
Motor Hall Sensor Signal Error
Washer-dryer combo shows 3E1 during spin ramp-up and fails to reach full speed.
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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
Intermittent hall sensor connection, Damaged hall sensor on motor, Electrical noise affecting sensor signal, PCB motor control fault
How to Fix / Troubleshooting
Safety first: Disconnect power before working near the motor.
Steps to check:
- Inspect harness: Remove the rear panel and carefully inspect the wiring harness from the motor to the PCB. Look for flexing points where wires may break internally.
- Reseat connectors: Unplug and replug the motor connector and the PCB connector for the motor harness to ensure good contact.
- Check for moisture: Ensure there is no water or condensation around the motor or connectors.
- Test empty spin: Run a spin-only cycle with no load to see if 3E1 returns.
When to stop: If the error persists, the hall sensor or entire motor assembly may need replacement. This is a moderate to advanced repair.
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Repair Difficulty
Hard
4/5
Required Part
Motor Hall Sensor
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