LG WM3400CW device hub
Use this device hub to troubleshoot LG WM3400CW (Washing Machine). Start with the most common codes and compare the published fix paths before opening parts.
Try E2, temperature, or won’t start.
Open the highest-signal error pages for this device first when you already know the code family.
Let the published patterns narrow you into the right branch before you open parts or call support.
Use the full code directory when the display is clear and you want the exact route fast.
Most common error codes
Start here when you want the shortest path from this device hub to the exact troubleshooting page.
LG WM3400CW error code IE means water did not fill to the required level in time. This guide explains the like
LG WM3400CW error code DE2 means drawer closed but not locked. This guide explains the likely causes, the safe
LG WM3400CW error code DE1 means door not closed properly. This guide explains the likely causes, the safest f
LG WM3400CW error code DE means door failed to lock. This guide explains the likely causes, the safest first c
LG WM3400CW error code UE means unbalanced load due to uneven distribution. This guide explains the likely cau
LG WM3400CW error code TE means heating error (thermistor issue). This guide explains the likely causes, the s
LG WM3400CW error code TCL means tub Clean reminder. This guide explains the likely causes, the safest first c
LG WM3400CW error code SUD means too many suds detected. This guide explains the likely causes, the safest fir
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Use the exact error page when you know the code. Otherwise stay in this device hub to compare the most likely routes first, then branch into the fix that matches the symptom.
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Common troubleshooting themes
These patterns are derived from the currently published fixes for this model and help you pick the right route faster.
Recently updated fixes
Fresh pages first — useful when you’re troubleshooting right now.
LG WM3400CW Error Code UE
LG WM3400CW error code UE means unbalanced load due to uneven distribution. This guide explains the likely causes, the safest first checks, and when support or service is the better next st…
LG WM3400CW Error Code UE
LG WM3400CW error code UE means unbalanced load due to uneven distribution. This guide explains the likely causes, the safest first checks, and when support or service is the better next st…
LG WM3400CW Error Code TE
LG WM3400CW error code TE means heating error (thermistor issue). This guide explains the likely causes, the safest first checks, and when support or service is the better next step.
LG WM3400CW Error Code TE
LG WM3400CW error code TE means heating error (thermistor issue). This guide explains the likely causes, the safest first checks, and when support or service is the better next step.
LG WM3400CW Error Code TCL
LG WM3400CW error code TCL means tub Clean reminder. This guide explains the likely causes, the safest first checks, and when support or service is the better next step.
LG WM3400CW Error Code TCL
LG WM3400CW error code TCL means tub Clean reminder. This guide explains the likely causes, the safest first checks, and when support or service is the better next step.
LG WM3400CW Error Code SUD
LG WM3400CW error code SUD means too many suds detected. This guide explains the likely causes, the safest first checks, and when support or service is the better next step.
LG WM3400CW Error Code SUD
LG WM3400CW error code SUD means too many suds detected. This guide explains the likely causes, the safest first checks, and when support or service is the better next step.
All error codes
Pick your code to open the fix page.
All fixes for this model
One card per code. If a code has multiple variants, the card opens the filtered results list.
LG WM3400CW Error Code UE
LG WM3400CW error code UE means unbalanced load due to uneven distribution. This guide explains the likely causes, the safest first checks, and when support or service is the better next st…
LG WM3400CW Error Code TE
LG WM3400CW error code TE means heating error (thermistor issue). This guide explains the likely causes, the safest first checks, and when support or service is the better next step.
LG WM3400CW Error Code TCL
LG WM3400CW error code TCL means tub Clean reminder. This guide explains the likely causes, the safest first checks, and when support or service is the better next step.
LG WM3400CW Error Code SUD
LG WM3400CW error code SUD means too many suds detected. This guide explains the likely causes, the safest first checks, and when support or service is the better next step.
LG WM3400CW Error Code SE
LG WM3400CW error code SE means sensor error. This guide explains the likely causes, the safest first checks, and when support or service is the better next step.
LG WM3400CW Error Code PF
LG WM3400CW error code PF means power failure occurred during the cycle. This guide explains the likely causes, the safest first checks, and when support or service is the better next step.
LG WM3400CW Error Code PE
LG WM3400CW error code PE means water level sensor malfunction. This guide explains the likely causes, the safest first checks, and when support or service is the better next step.
LG WM3400CW Error Code OE
LG WM3400CW error code OE means unable to drain wash water. This guide explains the likely causes, the safest first checks, and when support or service is the better next step.
LG WM3400CW Error Code LE
LG WM3400CW error code LE means motor cannot spin the tub. This guide explains the likely causes, the safest first checks, and when support or service is the better next step.
LG WM3400CW Error Code IE
LG WM3400CW error code IE means water did not fill to the required level in time. This guide explains the likely causes, the safest first checks, and when support or service is the better n…
LG WM3400CW Error Code HE
LG WM3400CW error code HE means temporary heater error. This guide explains the likely causes, the safest first checks, and when support or service is the better next step.
LG WM3400CW Error Code FE
LG WM3400CW error code FE means washer is overfilling. This guide explains the likely causes, the safest first checks, and when support or service is the better next step.
LG WM3400CW Error Code DHE
LG WM3400CW error code DHE means temporary dry function error. This guide explains the likely causes, the safest first checks, and when support or service is the better next step.
LG WM3400CW Error Code DE2
LG WM3400CW error code DE2 means drawer closed but not locked. This guide explains the likely causes, the safest first checks, and when support or service is the better next step.
LG WM3400CW Error Code DE1
LG WM3400CW error code DE1 means door not closed properly. This guide explains the likely causes, the safest first checks, and when support or service is the better next step.
LG WM3400CW Error Code DE
LG WM3400CW error code DE means door failed to lock. This guide explains the likely causes, the safest first checks, and when support or service is the better next step.
LG WM3400CW Error Code CL
LG WM3400CW error code CL means child lock is active (indicator). This guide explains the likely causes, the safest first checks, and when support or service is the better next step.
LG WM3400CW Error Code CE
LG WM3400CW error code CE means over-current in the motor circuit. This guide explains the likely causes, the safest first checks, and when support or service is the better next step.
LG WM3400CW Error Code CD
LG WM3400CW error code CD means drying cycle complete (cool down indicator). This guide explains the likely causes, the safest first checks, and when support or service is the better next s…
LG WM3400CW Error Code AE
LG WM3400CW error code AE means leakage detected inside the appliance. This guide explains the likely causes, the safest first checks, and when support or service is the better next step.
About this device hub
If your device shows an error code, start with the matching fix page. When a code returns repeatedly, it often points to an underlying cause (temperature, power delivery, sensors, locks, or wear).
Always follow basic safety: unplug before opening anything, and stop if you smell burning or see damage.