Clean buildup around the door seal LG WM4000HWA Region: US | Content version: 2.0.0 Use the manual’s diluted solution with gloves and eye protection; dry the seal afterward. MODEL AND MANUAL Exact model: WM4000HWA Rinse+Spin button with Control Lock marking; Tub Clean cycle. Compare your supplied manual with MFL71728908 Rev.02_051022. Manual: MFL71728908 Rev.02_051022 Excludes: WM3400CW; WM4000HBA; WM4080HWA; WM4000HWA with a different control panel or manual instructions PREPARATION [ ] Switch off and unplug; stop drum motion and allow the washer to cool. [ ] Wear rubber gloves and protective goggles; ventilate the area. [ ] Keep children and pets away. Never mix bleach with ammonia, vinegar, acids or another cleaner. TOOLS - Rubber gloves - Protective goggles - Soft cloth - Measuring vessel MATERIALS - Liquid chlorine bleach - Water - Dry towel FULL CHECKLIST 1. Prepare the manual’s solution: 3/4 cup (177 mL) liquid chlorine bleach in 1 gallon (3.8 L) water. Do not use undiluted bleach. Source: LG WM4000H*A / WM4080H*A Owner’s Manual; pp. 5, 37, 39 2. Wet the cloth with the diluted solution and wipe around the door seal. Do not pull the seal out of place. Source: LG WM4000H*A / WM4080H*A Owner’s Manual; pp. 5, 37, 39 3. Dry remaining moisture using a separate towel. Stop and request service if the rubber is split or damaged. Source: LG WM4000H*A / WM4080H*A Owner’s Manual; pp. 5, 37, 39 4. Leave the door open to let the seal dry completely only if children and pets cannot enter the drum. Source: LG WM4000H*A / WM4080H*A Owner’s Manual; pp. 5, 37, 39 STOP CONDITIONS - Smoke, a burning smell, damaged wiring, standing water near power, or an active leak: stop using the appliance. Disconnect power only from a safe, dry location and arrange qualified service. - Stop if a part is damaged, jammed, sharp, inaccessible, or does not match your manual. Do not force parts or remove a cabinet panel. BRANCH CHECKS Begin with: What is visible around the stopped washer door seal? What is visible around the stopped washer door seal? What is visible around the stopped washer door seal? Unplug before hands-on cleaning. Inspect without stretching or lifting the seal out of its fitted position. - Seal is clean and monthly cleaning is not due -> Next action recorded. The observed condition does not call for further action in this task, or a different task is more appropriate. Keep the observation in your record; do not infer a failed component. - Dirt is visible or monthly cleaning is due -> Continue to: Are gloves, eye protection and the correct dilution ready?. - Rubber is torn or displaced -> Pause and arrange qualified help. Keep the appliance out of use if a safety concern remains. Give the technician the exact model, the visible symptom and any displayed code. Do not open the cabinet or make electrical measurements. - I have not checked this yet -> Observation still needed. Your notes are saved. The missing observation is not evidence of a fault or a completed action. Complete only the steps you can perform safely, or ask for help. Are gloves, eye protection and the correct dilution ready? Are gloves, eye protection and the correct dilution ready? Use 3/4 cup (177 mL) liquid chlorine bleach in 1 gallon (3.8 L) water. Ventilate. Keep acids, vinegar and ammonia away. Follow checklist steps: 1 - Protection and dilution are confirmed -> Continue to: Could the visible seal be wiped without disturbing it?. - Chemicals were mixed or exposure occurred -> Pause and arrange qualified help. Keep the appliance out of use if a safety concern remains. Give the technician the exact model, the visible symptom and any displayed code. Do not open the cabinet or make electrical measurements. - I have not prepared the solution safely -> Observation still needed. Your notes are saved. The missing observation is not evidence of a fault or a completed action. Complete only the steps you can perform safely, or ask for help. Could the visible seal be wiped without disturbing it? Could the visible seal be wiped without disturbing it? Use a soft cloth wet with the diluted solution. Do not pull the rubber out of place. Follow checklist steps: 2 - Accessible seal surfaces were wiped -> Continue to: Has remaining moisture been wiped away?. - Rubber splits, loosens or cannot be reached safely -> Pause and arrange qualified help. Keep the appliance out of use if a safety concern remains. Give the technician the exact model, the visible symptom and any displayed code. Do not open the cabinet or make electrical measurements. - Wiping is still pending -> Observation still needed. Your notes are saved. The missing observation is not evidence of a fault or a completed action. Complete only the steps you can perform safely, or ask for help. Has remaining moisture been wiped away? Has remaining moisture been wiped away? Use a separate dry towel, then allow safe drying with children and pets excluded from the drum. Follow checklist steps: 3, 4 - Towel drying is done and safe ventilation is arranged -> Continue to: How does the seal look after drying?. - A visible split or loose area remains -> Pause and arrange qualified help. Keep the appliance out of use if a safety concern remains. Give the technician the exact model, the visible symptom and any displayed code. Do not open the cabinet or make electrical measurements. - The seal has not been dried -> Observation still needed. Your notes are saved. The missing observation is not evidence of a fault or a completed action. Complete only the steps you can perform safely, or ask for help. How does the seal look after drying? How does the seal look after drying? Record surface condition. Persistent staining alone does not prove a failed seal. - Seal is intact and clean to observation -> Result recorded. You recorded the task result from your own observation. Keep the before and after notes and recheck during normal use. This record does not certify the appliance condition. - Staining remains but rubber is intact -> Next action recorded. The observed condition does not call for further action in this task, or a different task is more appropriate. Keep the observation in your record; do not infer a failed component. - Seal appears damaged -> Pause and arrange qualified help. Keep the appliance out of use if a safety concern remains. Give the technician the exact model, the visible symptom and any displayed code. Do not open the cabinet or make electrical measurements. - I have not checked the dry surface -> Observation still needed. Your notes are saved. The missing observation is not evidence of a fault or a completed action. Complete only the steps you can perform safely, or ask for help. RESULT OBSERVATIONS - The seal is clean and dry without visible damage YOUR RECORD Observation date: ____________________ BEFORE Seal buildup or damage before cleaning: ____________________ AFTER Seal surface after drying: ____________________ Additional observations: ____________________ Result / reason for stopping: ____________________ Next action: ____________________ REMINDER Clean monthly; the 30-day reminder approximates a calendar month. Interval: 30 days; basis: manufacturer Source: lg-manual; p. 39 A calendar reminder is a personal plan, not a record of work completed. DIAGRAMS Door glass, fixed rubber seal and garment clearance shown without removing the seal https://csl-13-appliance-repair.pages.dev/diagrams/lg-door-seal.svg Original Homekeep artwork. Conceptual component relationships, not a scale drawing or an installation template. SOURCES LG WM4000H*A / WM4080H*A Owner’s Manual | MFL71728908 Rev.02_051022 | pp. 5, 37, 39 https://media.us.lg.com/m/12df7154cf356724/original/WM4080_2023_Owners-Manual_Washer_Eng.pdf#page=39 Checked: 2026-10-13. Copyright LG. Linked reference; original summaries only. No manual illustrations reproduced. LG WM4000HWA product support | Live US model support page | US WM4000HWA identity. Current support listings may contain a newer manual; these steps require MFL71728908 Rev.02_051022. https://www.lg.com/us/support/product/lg-WM4000HWA.ABWEUUS Checked: 2026-10-13. Link only RELATED TASKS Trace a musty washer smell: https://csl-13-appliance-repair.pages.dev/tasks/lg-odor/ Record external clues after a water leak: https://csl-13-appliance-repair.pages.dev/tasks/lg-leak-check/ Observations do not certify a physical repair. Follow your matching supplied manual and the stop conditions. Guide: https://csl-13-appliance-repair.pages.dev/tasks/lg-door-seal/