In the matched WM4000HWA manual, holding Rinse+Spin for 3 seconds toggles Control Lock; a short press selects a different function. Match the printed lock legend and full revision before using this gesture. CL describes a locked panel, not a drain fault.
Models covered
WM4000HWA with the documented Rinse+Spin/Control Lock legend. If the panel or revision has different labeling, use its supplied manual instead of transferring the combination.
Wait for motion to stop and the door or lid to unlock. Water may be hot. Isolate power and follow the exact manual before any user filter maintenance. Never open a filter against a full drum, force a lock or bypass an interlock.
Compare the behavior
Match the documented control, cycle or feature before interpreting the result. The comparison below keeps normal model behavior separate from an unresolved fault.
| Observed state | Interpretation / next step |
|---|---|
| Brief Rinse+Spin press | Selects the cycle/function rather than the held lock action. |
| Rinse+Spin held 3 seconds on matched panel | Toggles Control Lock. |
| Panel legend differs | Use that revision’s supplied instructions. |
Model-specific checks
Identify a lock state
Record CL and whether Power responds while other controls do not. A completed cycle does not by itself establish that the lock was disabled.
Use hold rather than tap
On the matched panel, hold Rinse+Spin for 3 seconds and confirm the lock indication changes. A quick selection of Rinse+Spin is not the documented lock gesture.
Check normal controls after clearing
Choose a normal cycle only after confirming CL is off. If the correct labeled action produces no response, provide LG the model suffix and panel photo; do not keep forcing the button.
What to record next
On this panel, the same button has a normal setting function and a held-button Control Lock function. Check the lock indicator after the documented hold. A continuing response problem after unlocking needs a separate check.
When to stop and get help
Only carry out maintenance permitted in your model’s manual. For service, note the full model number and suffix, displayed code, selected cycle and what happened during the checks. Leave internal wiring, gas components, pumps and safety devices to a qualified professional. A symptom alone does not identify a failed part.
Sources & references
- Hold Rinse+Spin 3 seconds for Control Lock on matched panel. Control Lock, archived exact-model manual p31
- LG: WM4000HWA exact model support
- LG: WM4000 manufacturer owner manual
- LG-authored manual text, exact suffix mirror p31
Based on publicly available manuals, manufacturer support and the references listed here. We have not inspected or tested your appliance. Follow the instructions for your exact model; a guide cannot replace an in-person diagnosis.