LG WM4000HBA Owner's Manual
Owner's Manual · EN · 64 pages
Quality: reviewed
Owner's Manual · EN · 64 pages
Quality: reviewed
The owner manual describes turning off the washer, draining remaining water through the drain hose, removing the filter, cleaning debris, and reinstalling the filter before running another cycle.
LG WM4000HBA Owner's Manual, pages 48-49
Turn the washer off, drain remaining water through the drain hose, remove debris from the drain pump filter, reinstall it securely, and run a test cycle. This answer is grounded in the manual's drain pump filter maintenance section.
LG WM4000HBA Owner's Manual, pages 48-49