Error code reference

LG Dishwasher Error Code FE

Excess error

Excess error - water fills above normal level, possibly caused by damaged inlet valve, damaged controller, or faulty hall sensor; drain pump operates automatically.

First step from the service manual

Replace the inlet valve.

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
Verified part numbers when replacement is required

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M+ Max·LG Dishwasher

FE on my LG LDP6797ST

M+

Excess error - water fills above normal level

From Service Manual 585772, p.24:

1.Replace the inlet valve.

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 FE.

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