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
Need more help with this model?
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.
This panel stays shared across all products. Optional device links only appear when profile data exists.
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 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 step.
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 step.
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 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 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 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 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 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, or use the main search to filter by symptom or keyword.
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.