Error code reference

LG Dishwasher Error Code dE

Door open warning

Door open warning: door is open during washing period.

First step from the service manual

Check that the door is closed properly.

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

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dE on my LG LDP6797ST

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Door open warning: door is open during washing

From Service Manual 584842, p.14:

1.Check that the door is closed properly.

2.Measure door lock assembly resistance across the PTC terminals. Expected: ~200 ohms cold, rising sharply once energized.

3.Inspect strike and latch alignment. A warped door or misaligned strike prevents the switch stack from closing in the correct sequence.

Part 6601ER1004C

Door lock assembly

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