Error code reference

LG Washer Error Code 4E1

Water supply error occurring in the Wool course when PCB terminal from drain hose to detergent drawer is not connected, or transparent hose is folded or torn.

SourceLG Washer - Service Manual: WF752U2BK & WF650U2BKp. 34, 40

Diagnostic procedure

The full 4E1 procedure

Step 1 is visible so you can confirm you are on the right page. The remaining steps, the ones that tell you whether to actually replace a part, unlock with any pass.

MyPros+ · DiagnosticsStep 1 preview
1
First diagnostic step
Check whether the water supply valve is clogged with foreign material and whether water is supplied continually.

SourceLG Washer - Service Manual: WF752U2BK & WF650U2BKp. 34, 40

More steps, wiring diagram references, and verified part numbers
Includes expected resistance and voltage values, connector pinouts, and supersession notes for replacement parts.
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Where this code is documented

4 manuals in the MyPros+ library document this code for LG washer.

Models covered by the manuals that document this code

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