Error code reference

LG Refrigerator Error Code WT-Sensor

Water tank sensor error - water tank temperature sensor has failed.

SourceLG GW-L227/GW-P227 Refrigerator - Service ManualTrouble Diagnosis - Water Tank Sensor Error

Diagnostic procedure

The full WT-Sensor 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
Disconnect CON6 and measure resistance between pins 9 & 10 (GY to GY); expected 6 ~ 300 kΩ.

SourceLG GW-L227/GW-P227 Refrigerator - Service ManualTrouble Diagnosis - Water Tank Sensor Error

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

1 manual in the MyPros+ library documents this code for LG refrigerator.

Models covered by the manuals that document this code

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

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