LG WM3900HBA device hub
Use this device hub to troubleshoot LG WM3900HBA (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 WM3900HBA error code TE means heating error (thermistor issue). This guide explains the likely causes, the
LG WM3900HBA error code TCL means tub Clean reminder. This guide explains the likely causes, the safest first
LG WM3900HBA error code SUD means too many suds detected. This guide explains the likely causes, the safest fi
LG WM3900HBA error code UE means unbalanced load due to uneven distribution. This guide explains the likely ca
LG WM3900HBA error code SE means sensor error. This guide explains the likely causes, the safest first checks,
LG WM3900HBA error code PF means power failure occurred during the cycle. This guide explains the likely cause
LG WM3900HBA error code PE means water level sensor malfunction. This guide explains the likely causes, the sa
LG WM3900HBA error code OE means unable to drain wash water. This guide explains the likely causes, the safest
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 WM3900HBA 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 WM3900HBA 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 WM3900HBA 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 WM3900HBA 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 WM3900HBA 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 WM3900HBA 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 WM3900HBA 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 WM3900HBA 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.
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.