WM3900HWA UE error
Your LG WM3900HWA is showing UE. Before replacing parts, confirm the model tag matches WM3900HWA: Door frame sticker when the door is open; backup tag on the rear panel. Drain filter is behind the lower kick panel — have towels ready before opening. On this LG washer, UE means Unbalanced load detected during spin. The steps below follow the field-service order for the WM3900HWA platform — not the generic LG UE page. Cross-check part fit with WM3900HWA before ordering — use the model-specific parts diagram. If the code cleared after a reset but returned mid-cycle, treat that as a confirmed fault rather than a one-time glitch.
Fix steps
- Verify the model tag reads WM3900HWA — Door frame sticker when the door is open; backup tag on the rear panel.
- Reset UE: unplug the washer or switch off the breaker for 5 minutes, then restore power.
- Check inlet hoses, drain hose routing, and the door seal for obstructions or leaks before assuming an internal component failed for UE.
- Model note for WM3900HWA: Drain filter is behind the lower kick panel — have towels ready before opening.
- Run a test cycle after repair. If the code returns, use the compatible parts below or the full brand code guide.
Repair guidance is for informational purposes only. We do not guarantee that any fix will resolve your issue, and you assume all risk when following these steps. Terms & disclaimer
FAQ
What does UE mean on a LG WM3900HWA?
Unbalanced load detected during spin.
How do I reset UE on a WM3900HWA?
Unplug the washer or switch it off at the breaker for 5 minutes, then restore power and restart. If UE returns on the WM3900HWA, the underlying fault is still present.
What part do I need for WM3900HWA UE?
Start with the WM3900HWA-compatible parts listed below. UE often points to a failed component on this LG washer.
Is UE on the WM3900HWA easy to fix?
Many owners fix this themselves with basic tools. Start with the reset and steps above, then check compatible parts below.