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Error code reference
LG Washer Error Code Water Supply Error
Water level does not rise to the set level within 40 minutes; indicated by Wash and Rinse LEDs blinking.
SourceLG Washing Machine - Full Service Manual: WF-T Seriesp. 45
Diagnostic procedure
The full Water Supply Error 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 if water faucet is closed or water supply is interrupted; check inlet valve filter for clogs; check connector contact to inlet valve and YL 2-pin connector to PWB ASM.
SourceLG Washing Machine - Full Service Manual: WF-T Seriesp. 45
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
2 manuals in the MyPros+ library document this code for LG washer.
Models covered by the manuals that document this code
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