Error code reference

LG Washer Error Code 4C

Water supply error-foreign material in water supply valve, valve terminal disconnected, connectors wrongly connected, or PCB terminal from drain hose to detergent drawer not connected.

SourceLG WV55M9605MV Washer - Full Service Manualp. 29, 36

LG codes LG washer codes

Diagnostic procedure

The full 4C 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

First diagnostic step

Check resistance for water supply valve (0.9-1.1 kΩ between terminals); check for foreign material in water supply valve filter; clean filter if clogged.

SourceLG WV55M9605MV Washer - Full Service Manualp. 29, 36

Unlock with pass

More steps, wiring diagram references, and verified part numbers

Includes expected resistance and voltage values, connector pinouts, and supersession notes for replacement parts.

Unlock 4C procedure $9.95

Or subscribe: $29/month for all codes plus Max diagnostics, with 70 Max messages a day. Plus applicable tax.

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

Get Started

$29/month · Cancel anytime · Or $9.95 3-day pass · Plus applicable tax

The full 4C procedure

Where this code is documented

Models covered by the manuals that document this code

Related LG washer error codes