Model reference

LG WM4200HBA/00

Name: LG WM4200HBA/00
Brand: LG

Washer

1 document8 error codes3 service modes

Available documentation

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dE on my LG WM4200HBA/00

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Door open error - the door is not

From Service Manual 837547, p.39:

1.Access service mode to confirm the active fault code and read stored error history.

2.Measure door lock assembly resistance across PTC terminals. Expected: ~200 ohms cold.

3.Inspect strike and latch alignment. A misaligned strike prevents the switch stack from closing.

Part 6601ER1004C

Door lock assembly

CodeMeaning

Load Test ModePress SPIN and SOIL buttons simultaneously to enter test mode
LQC Test Mode (Wi-Fi)Enter Load Test Mode (press SPIN and SOIL simultaneously)
Water Level Frequency CheckPress Delay Wash and Soil buttons simultaneously to display the water level frequency.

Full entry steps, exit procedures, and test sequences are available in Max.

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