What this error means
Motor fault — the drum motor is not rotating when commanded
The 3E error means the motor control system has commanded the drum motor to rotate but has not received confirmation that rotation has occurred. On Samsung Direct Drive models this means no signal from the Hall sensor. On belt-drive models it means no TACHO signal confirming motor rotation. The most common causes are a failed Hall sensor, worn motor brushes (belt-drive models), a broken drive belt, a seized drum, or a motor winding failure.
What you'll need first
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Step-by-step
Symptoms to look for
- Drum does not rotate during the wash or spin phase
- Machine fills and heats normally but the drum remains completely still
- Brief hum from the motor area then 3E displayed
- 3E appears during spin but the drum was tumbling slowly during the wash phase
Diagnostic steps
With the machine unplugged, place your hand inside the drum and rotate it slowly clockwise for a full turn then anti-clockwise. The resistance should be smooth and consistent — similar to turning against a light spring. Any grinding, sharp catching, or complete seizure indicates a physical obstruction or a mechanical fault.
Leave the machine fully unplugged with the door open for 15 minutes minimum. The motor's internal thermal protection requires complete cooling to reset. Plug back in and try an empty Spin Only cycle.
Shine a torch through the drum perforations and look into the gap between the drum and the outer tub. Coins, underwires, and small items frequently jam here. Use long-nose pliers to retrieve anything visible.
With the machine unplugged, remove the rear panel. The drive belt loops around the large drum pulley and the small motor pulley. Check whether it is present, correctly seated in both pulley grooves, and under firm tension. A snapped or slipped belt produces 3E because the motor runs freely but the drum does not move, generating no TACHO signal.
Samsung Direct Drive motors use a Hall effect sensor to confirm rotor rotation. It is a small PCB mounted at the rear of the stator, connected by a thin multi-wire harness. With the machine unplugged, check that the Hall sensor connector is firmly seated and the harness is not chafed, kinked, or pinched between moving parts.
Each brush holder on the side of the motor houses a spring-loaded carbon rod. Press the tab and slide each holder out. The carbon rod must be at least 5 to 7 mm long. Rods shorter than this have worn out. Replace both brushes together — both left and right — even if only one is below minimum length.
When to call an engineer
- Hall sensor reads no signal or open circuit — sensor has failed
- Motor winding reads open circuit on a multimeter — motor needs replacing
- Drive belt is snapped or has derailed from one or both pulleys
- Carbon brushes worn below 5 mm — both must be replaced
Frequently asked questions
What is the difference between 3E and 8E on a Samsung washing machine?
Can a broken drive belt cause 3E?
How do I know if my Samsung is Direct Drive or belt-drive?
Is 3E always a motor fault?
🎯 What is likely causing this fault?
⚠️ Estimates based on common faults — not a guaranteed diagnosis. Always verify before ordering parts.
Parts you may need
Enter your model number to filter results to your exact machine
Usually found on a label inside the door frame or on the back panel of the machine.
| Part | Approx. UK Cost | Find it |
|---|---|---|
| Hall Sensor | £10 - £15 | 🛒 Amazon UK → |
| Hall Sensor | £10 - £15 | 🏷️ eBay UK → |
| Motor Carbon Brushes | £10 - £15 | 🏷️ eBay UK → |
ℹ️ Prices are approximate. Always check the part number matches your model before ordering. Not sure of your model number? Find out how to locate it here.