Error code reference

LG Dishwasher Error Code LC

Water leakage detected (S/W ver. 7134+)

Water leakage detected (S/W ver. 7134+): leakage sensor data equal to or less than 1V for 3 seconds; main relay off.

First step from the service manual

Check whether there is any trace of water leakage in the shutter.

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

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Step-by-step tests with expected resistance, voltage, and continuity values
Wiring diagram references and connector pinouts from the OEM service manual
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M+

M+ Max·LG Dishwasher

LC on my LG LDP6797ST

M+

Water leakage detected (S/W ver

From Service Manual 585588, p.40:

1.Check whether there is any trace of water leakage in the shutter.

2.Measure control board supply voltage at the test points. Expected: 12 VDC and 5 VDC; a drop below 4.75 VDC on the logic rail points to a failed onboard regulator.

3.Inspect all connectors on the main control for corrosion, thermal stress, or backed-out pins. Reseat each connector with the power disconnected.

Part EBR73304205

Main control board

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First step from the service manual

Get the full diagnostic procedure for LC.

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