Error code reference

LG Dishwasher Error Code EI

Error code displayed on the dishwasher indicating a trouble condition (listed among displayable error codes).

First step from the service manual

Refer to the troubleshooting guide.

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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EI on my LG LDP6797ST

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Error code displayed on the dishwasher

From Service Manual 585799, p.51:

1.Refer to the troubleshooting guide.

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 EI.

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