Error code reference

LG Washer Error Code LE

Water leakage error

Water leakage error: heater engagement fault, air hose out of place, tub back broken at safety bolts, foaming from excess detergent, incorrect detergent drawer hose connection, drain pump filter cover engaged incorrectly, drain hose leakage, duct condensing screws worn, nozzle-diaphragm engaged opposite or rubber packaging omitted, tub screws fastened incorrectly, or leakage sensor fault.

First step from the service manual

Check for any leakage on the base, hose, valve and tub connections. For natural draining, check if drain bellows are clogged with foreign material.

The complete diagnostic procedure includes additional test steps, resistance specifications, wiring diagram references, and component test points.

MyPros+ Max

Get the full diagnostic procedure for LE.

Step-by-step tests with expected resistance, voltage, and continuity values
Wiring diagram references and connector pinouts from the OEM service manual
Verified part numbers when replacement is required

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M+

M+ Max·LG Washer

LE on my LG WM3900HWA

M+

Water leakage error: heater engagement fault

From Service Manual 286040, p.12:

1.Check for any leakage on the base, hose, valve and tub connections. For natural draining, check if drain bellows are clogged with foreign material.

2.Measure drain pump winding resistance at connector J7 on the main control. Expected: 12 to 16 ohms at room temperature.

3.Back-probe the pump driver output under load. Verify the board switches the pump at 120 VAC during the drain portion of the cycle.

Part 4681EA2001T

Drain pump motor

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First step from the service manual

Get the full diagnostic procedure for LE.

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