LG Dishwasher Error Code E3
During non-fill periods, the quantity of water measured by flow-meter exceeds 2L, indicating a water inlet…
During non-fill periods, the quantity of water measured by flow-meter exceeds 2L, indicating a water inlet valve breakdown (e.g., foreign substance blocking valve closing); also triggers when heater fails to reach required temperature within 60 minutes or fails to increase water temperature over 7°C in 10 minutes.
First step from the service manual
Check the connections of the heater connectors or check for inlet valve breakdown.
The complete diagnostic procedure includes additional test steps, resistance specifications, wiring diagram references, and component test points.
Get the full diagnostic procedure for E3.
- Step-by-step tests with expected resistance, voltage, and continuity values
- Wiring diagram references and connector pinouts from the OEM service manual
- Verified part numbers when replacement is required
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