Error code reference

LG Washer Error Code 4E

Water supply error - foreign material entering water supply valve, water supply valve terminal not connected, warm water and rinse connectors wrongly connected, or PCB terminal from drain hose to detergent drawer not connected.

SourceLG Washing Machine - Full Service Manual: WW7000H & F700E Seriesp. 33, 39

Diagnostic procedure

The full 4E 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 resistance of water supply valve (4.0 to 5.0 Ω between terminals); check whether valve is clogged with foreign material.

SourceLG Washing Machine - Full Service Manual: WW7000H & F700E Seriesp. 33, 39

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

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

Models covered by the manuals that document this code

75,000+ service documents · 20,000+ error codes · 100+ brands

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