WM3400CW Error Codes — LG Washing Machine
🏷️ Model: WM3400CW 📅 Production: 2019–present 🫧 Type: Washing Machine
Entry-level 4.5 cu ft front-loader. Shares the full LG two-letter code set; drain (OE) and inlet (IE) codes are the most common service triggers.
Most Common Codes on the WM3400CW
All Other LG Washing Machine Codes
The WM3400CW can also display any of the standard LG washing machine codes:
LE Motor locked — hall sensor or stator fault tCL Tub clean reminder — drum needs cleaning FE Water overflow error — drum overfilling CE Over-current error — motor drawing too much current SE Hall sensor error — motor speed sensor fault PE Water level pressure sensor error EE EEPROM error — control board memory failure E6 Clutch motor error (top-load models) bE Button error — control panel key stuck nE Noise sensor error (front-load models) tE Thermistor error — water temperature sensor reading out of range F6 Overcurrent error — excessive current detected in the motor drive circuit CL Child lock active — controls are locked, not an error dHE Dry heater error — drying heater fault (washer-dryer combo models) AE Leak detected (Aqua error) — water sensed in the base pan PF Power failure — the cycle was interrupted by a loss of power
💡 Tip: Your model's serial sticker (door frame, rim, or back panel) confirms the exact
model number. Codes can differ between revisions of the same model line — if a code on your display
isn't listed here, check the
full LG washing machine code list.