Motor lock error — drum motor stalled or overloaded
The LE error on the LG WM3900HWA indicates motor lock error — drum motor stalled or overloaded. This typically occurs due to excessive laundry weight overloading the drum motor. Most homeowners fix this in 15–25 min by following the steps below.
Safety Warning
This is a high-severity error. Unplug the appliance immediately and assess the situation before attempting any repair.
Common Causes of LE
- 1Excessive laundry weight overloading the drum motor
- 2Foreign object jammed between the drum and the door seal
- 3Drum motor hall sensor failure
- 4Wiring fault between the motor and main control board
How to Fix LE
- 1
Step 1
Power down the washer and disconnect it from the outlet
- 2
Step 2
Open the washer door and remove roughly half the laundry to reduce motor load
- 3
Step 3
Rotate the drum slowly by hand — it should turn freely with only mild resistance
- 4
Step 4
If the drum does not rotate or makes a grinding noise, check around the door gasket for trapped coins or debris
- 5
Step 5
Plug in the washer and run a spin-only cycle with the lighter load to test
- 6
Step 6
If the LE error returns, the motor hall sensor or wiring harness likely requires professional diagnosis
Tools Needed
When to Call a Technician
Error persists after reducing load and confirming drum spins freely — motor hall sensor or main board needs testing
Frequently Asked Questions
Common questions about LG LE error
The LE error on the LG WM3900HWA indicates the drum motor is locked or stalled. This is most often caused by an overloaded drum or a foreign object trapped near the drum. Reducing the load and restarting is the first step to clearing this error.
It can be. If caused by overloading, it is easy to fix by removing some laundry and restarting. If the error continues with a normal-sized load, the motor or its hall sensor may have failed and will need replacement by a certified technician.
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