{
  "pack": {
    "id": "lg-drainage-plan",
    "title": "Washer drainage: route, filter, result",
    "summary": "Start with the visible drain route, then decide whether filter maintenance is indicated.",
    "modelId": "lg-wm4000hwa",
    "taskIds": [
      "lg-oe-drain",
      "lg-drain-filter"
    ],
    "purpose": "Make a record of the OE message or slow drain, the reachable hose route and any separately completed filter maintenance. Use the record to choose the next safe action.",
    "steps": [
      {
        "taskId": "lg-oe-drain",
        "reason": "Establish whether an observable routing problem explains the symptom before opening any user-accessible filter.",
        "proceedWhen": "Begin when OE is displayed or drainage is slow. Skip this plan when neither condition is present.",
        "stopWhen": "Pause if the route is inaccessible, water is hot, the door is locked or an external correction needs an installer."
      },
      {
        "taskId": "lg-drain-filter",
        "reason": "Use the full water-containment and reassembly sequence only if the first checklist leads to filter maintenance.",
        "proceedWhen": "Continue only when the route check indicates filter maintenance and every filter-task preparation item can be met. Skip if maintenance is not indicated.",
        "stopWhen": "Stop for uncontained water, sharp or stuck objects, damaged fittings, leakage after reassembly or a continuing drain symptom."
      }
    ],
    "output": "An ordered drainage record: original display and water condition, visible route findings, filter action taken or skipped, and the next observed drain or service decision."
  },
  "tasks": [
    {
      "id": "lg-oe-drain",
      "version": "2.0.0",
      "title": "Check an OE drainage message",
      "deviceFamily": "washer",
      "modelApplicability": {
        "modelIds": [
          "lg-wm4000hwa"
        ],
        "region": "US",
        "panel": "Rinse+Spin button with Control Lock marking; Tub Clean cycle. Compare your supplied manual with MFL71728908 Rev.02_051022.",
        "manualVersion": "MFL71728908 Rev.02_051022"
      },
      "exclusions": [
        "WM3400CW",
        "WM4000HBA",
        "WM4080HWA",
        "WM4000HWA with a different control panel or manual instructions"
      ],
      "intent": "troubleshooting",
      "summary": "Inspect the visible drain route and choose filter maintenance or qualified help.",
      "prerequisites": [
        {
          "text": "Stop the cycle; do not open a locked door or touch hot drain water.",
          "sourceId": "lg-manual",
          "locator": "pp. 13, 40, 44"
        },
        {
          "text": "Observe the drain route without moving the washer or disconnecting the hose.",
          "sourceId": "lg-manual",
          "locator": "pp. 13, 40, 44"
        }
      ],
      "tools": [
        "No tools needed"
      ],
      "materials": [
        "No materials needed"
      ],
      "steps": [
        {
          "id": "step-1",
          "text": "Inspect the visible drain hose for kinks or pinching without moving the washer or undoing a connection. Refer inaccessible or damaged routing to an installer.",
          "sourceId": "lg-manual",
          "locator": "pp. 13, 40, 44"
        },
        {
          "id": "step-2",
          "text": "Where safely visible, compare endpoint height with the installation limits: 24–96 inches (61–244 cm) above the washer bottom; best results at no more than 66 inches (168 cm). Have an installer assess uncertain height or an airtight drain connection.",
          "sourceId": "lg-manual",
          "locator": "pp. 13, 40, 44"
        },
        {
          "id": "step-3",
          "text": "Use the separate drain-filter task only after its unplugging, cooling and residual-water precautions are met. Do not unscrew the filter from this external inspection task.",
          "sourceId": "lg-manual",
          "locator": "pp. 13, 40, 44"
        },
        {
          "id": "step-4",
          "text": "After complete filter maintenance or a qualified routing correction, observe a normal drain with the washer assembled and the area dry. Stop for renewed OE or leakage and seek service.",
          "sourceId": "lg-manual",
          "locator": "pp. 13, 40, 44"
        }
      ],
      "checks": [
        {
          "id": "oe-observation",
          "goal": "Is OE displayed or has water failed to drain?",
          "question": "Is OE displayed or has water failed to drain?",
          "instruction": "Keep a locked door closed and avoid hot drainage water. An OE message alone does not identify a failed pump.",
          "stepIds": [],
          "choices": [
            {
              "label": "The drain completed and OE is absent",
              "next": "identified",
              "observation": "normal"
            },
            {
              "label": "OE or retained water was observed",
              "next": "drain-hose-route",
              "observation": "abnormal"
            },
            {
              "label": "I have not checked this yet",
              "next": "ready",
              "observation": "unobserved"
            }
          ],
          "sourceId": "lg-manual",
          "locator": "pp. 6, 44"
        },
        {
          "id": "drain-hose-route",
          "goal": "Is the visible drain hose free of pinching and kinks?",
          "question": "Is the visible drain hose free of pinching and kinks?",
          "instruction": "Observe without moving the washer or disconnecting the hose. Have an installer address inaccessible or damaged routing.",
          "stepIds": [
            "step-1"
          ],
          "choices": [
            {
              "label": "The visible route is clear",
              "next": "drain-endpoint",
              "observation": "normal"
            },
            {
              "label": "A kink, pinch or damaged route is visible",
              "next": "service",
              "observation": "abnormal"
            },
            {
              "label": "The route is not visible",
              "next": "ready",
              "observation": "unobserved"
            }
          ],
          "sourceId": "lg-manual",
          "locator": "pp. 13, 44"
        },
        {
          "id": "drain-endpoint",
          "goal": "Does the visible endpoint match the installation limits?",
          "question": "Does the visible endpoint match the installation limits?",
          "instruction": "The manual specifies 24–96 inches (61–244 cm) above the washer bottom, with best results at no more than 66 inches (168 cm). Do not move the washer to measure; no airtight seal at the drain.",
          "stepIds": [
            "step-2"
          ],
          "choices": [
            {
              "label": "Accessible routing is within the manual limits",
              "next": "filter-next-action",
              "observation": "normal"
            },
            {
              "label": "Height is outside the limits or the connection is airtight",
              "next": "service",
              "observation": "abnormal"
            },
            {
              "label": "Height or connection cannot be confirmed",
              "next": "ready",
              "observation": "unobserved"
            }
          ],
          "sourceId": "lg-manual",
          "locator": "p. 13"
        },
        {
          "id": "filter-next-action",
          "goal": "Has the separate drain-filter procedure been completed safely?",
          "question": "Has the separate drain-filter procedure been completed safely?",
          "instruction": "Open the filter only in its own task after unplugging, cooling and draining residual water. Record an installer correction instead if one was needed.",
          "stepIds": [
            "step-3"
          ],
          "choices": [
            {
              "label": "Filter maintenance or a qualified external correction is complete",
              "next": "oe-next-drain",
              "observation": "normal"
            },
            {
              "label": "Filter access or maintenance cannot be completed safely",
              "next": "service",
              "observation": "abnormal"
            },
            {
              "label": "That maintenance or correction is still pending",
              "next": "ready",
              "observation": "unobserved"
            }
          ],
          "sourceId": "lg-manual",
          "locator": "p. 40"
        },
        {
          "id": "oe-next-drain",
          "goal": "What happened on the next drain after correction?",
          "question": "What happened on the next drain after correction?",
          "instruction": "With parts refitted and the area dry, observe drainage. A persistent OE message needs qualified help.",
          "stepIds": [
            "step-4"
          ],
          "choices": [
            {
              "label": "Drain completed without OE or leakage",
              "next": "done",
              "observation": "normal"
            },
            {
              "label": "OE, retained water or leakage remains",
              "next": "service",
              "observation": "abnormal"
            },
            {
              "label": "Another drain has not been observed",
              "next": "ready",
              "observation": "unobserved"
            }
          ],
          "sourceId": "lg-manual",
          "locator": "pp. 40, 44"
        }
      ],
      "branches": {
        "entry": "oe-observation",
        "outcomes": {
          "done": {
            "title": "Result recorded",
            "text": "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.",
            "type": "issue-located"
          },
          "identified": {
            "title": "Next action recorded",
            "text": "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.",
            "type": "issue-located"
          },
          "service": {
            "type": "service-needed",
            "title": "Pause and arrange qualified help",
            "text": "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."
          },
          "ready": {
            "title": "Observation still needed",
            "text": "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.",
            "type": "prepared"
          }
        }
      },
      "outcomeChecks": [
        {
          "text": "An external drainage restriction is identified or the next drain completes",
          "sourceId": "lg-manual",
          "locator": "pp. 13, 40, 44"
        }
      ],
      "stopConditions": [
        "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."
      ],
      "sources": [
        {
          "id": "lg-manual",
          "title": "LG WM4000H*A / WM4080H*A Owner’s Manual",
          "url": "https://media.us.lg.com/m/12df7154cf356724/original/WM4080_2023_Owners-Manual_Washer_Eng.pdf",
          "version": "MFL71728908 Rev.02_051022",
          "checkedAt": "2026-10-13",
          "purpose": "User maintenance, control operations, observable troubleshooting and safety",
          "reuse": "Copyright LG. Linked reference; original summaries only. No manual illustrations reproduced.",
          "locator": "pp. 13, 40, 44",
          "topicPage": 44,
          "pdfPage": 44,
          "pageNumbering": "PDF page number equals printed English page number in these editions."
        },
        {
          "id": "lg-support",
          "title": "LG WM4000HWA product support",
          "url": "https://www.lg.com/us/support/product/lg-WM4000HWA.ABWEUUS",
          "version": "Live US model support page",
          "checkedAt": "2026-10-13",
          "purpose": "US model identity; newer revisions require comparison to supplied manual",
          "reuse": "Link only",
          "locator": "US WM4000HWA identity. Current support listings may contain a newer manual; these steps require MFL71728908 Rev.02_051022."
        }
      ],
      "assets": [
        {
          "id": "lg-drain-route",
          "url": "/diagrams/lg-drain-route.svg",
          "kind": "original schematic",
          "alt": "Conceptual drain hose endpoint height measured from washer bottom, with secure routing and an air gap",
          "license": "Original Homekeep artwork. Conceptual component relationships, not a scale drawing or an installation template.",
          "sourceId": "lg-manual",
          "locator": "pp. 13, 40, 44"
        }
      ],
      "relatedIds": [
        "lg-drain-filter",
        "lg-leak-check"
      ],
      "family": "drainage",
      "diagramId": "lg-drain-route",
      "recordFields": [
        {
          "key": "before-observation",
          "label": "OE and visible drain-route observations",
          "phase": "before",
          "type": "text",
          "placeholder": "Code; kink; endpoint height if already known"
        },
        {
          "key": "after-observation",
          "label": "Correction and next-drain observation",
          "phase": "after",
          "type": "text",
          "placeholder": "Filter task or installer work; drain result"
        }
      ],
      "maintenance": {
        "intervalDays": null,
        "basis": "user-selected",
        "label": "Use when drainage changes; the manual gives no fixed diagnostic interval.",
        "sourceId": "lg-manual",
        "locator": "pp. 40, 44"
      }
    },
    {
      "id": "lg-drain-filter",
      "version": "2.0.0",
      "title": "Clean the drain pump filter",
      "deviceFamily": "washer",
      "modelApplicability": {
        "modelIds": [
          "lg-wm4000hwa"
        ],
        "region": "US",
        "panel": "Rinse+Spin button with Control Lock marking; Tub Clean cycle. Compare your supplied manual with MFL71728908 Rev.02_051022.",
        "manualVersion": "MFL71728908 Rev.02_051022"
      },
      "exclusions": [
        "WM3400CW",
        "WM4000HBA",
        "WM4080HWA",
        "WM4000HWA with a different control panel or manual instructions"
      ],
      "intent": "maintenance",
      "summary": "Drain residual water before opening the filter, then clean and refit the user-accessible parts.",
      "prerequisites": [
        {
          "text": "Finish or stop the cycle; drum must be motionless.",
          "sourceId": "lg-manual",
          "locator": "pp. 5–6, 40"
        },
        {
          "text": "Switch off and unplug the washer. Allow any water to cool; do not touch hot drainage water.",
          "sourceId": "lg-manual",
          "locator": "pp. 5–6, 40"
        },
        {
          "text": "Prepare to contain residual water before loosening the filter.",
          "sourceId": "lg-manual",
          "locator": "pp. 5–6, 40"
        }
      ],
      "tools": [
        "Shallow container",
        "Bucket",
        "Soft cloth"
      ],
      "materials": [
        "Water for cleaning"
      ],
      "steps": [
        {
          "id": "step-1",
          "text": "Open the small drain-filter access cover. Place the container at the emergency drain hose.",
          "sourceId": "lg-manual",
          "locator": "pp. 5–6, 40"
        },
        {
          "id": "step-2",
          "text": "Unclip the small drain hose and remove its plug. Collect the residual water; empty the container as needed. Do not open the filter while water remains uncontained.",
          "sourceId": "lg-manual",
          "locator": "pp. 5–6, 40"
        },
        {
          "id": "step-3",
          "text": "Turn the filter counterclockwise to remove it. Clear accessible debris from the filter and its opening; do not reach into the pump mechanism.",
          "sourceId": "lg-manual",
          "locator": "pp. 5–6, 40"
        },
        {
          "id": "step-4",
          "text": "Replace the small hose plug and secure the hose in its clip. Insert the filter and turn it clockwise to seat it.",
          "sourceId": "lg-manual",
          "locator": "pp. 5–6, 40"
        },
        {
          "id": "step-5",
          "text": "Close the access cover. Only after reassembly, dry floor and hands, restore power and observe a normal drain for leakage. Stop if water escapes.",
          "sourceId": "lg-manual",
          "locator": "pp. 5–6, 40"
        }
      ],
      "checks": [
        {
          "id": "filter-need",
          "goal": "What prompted the drain-filter check?",
          "question": "What prompted the drain-filter check?",
          "instruction": "Use the last drain observation or your chosen periodic cleaning reminder. Stop for an active leak or unsafe water near power.",
          "stepIds": [],
          "choices": [
            {
              "label": "No drainage symptom and no cleaning planned",
              "next": "identified",
              "observation": "normal"
            },
            {
              "label": "Slow drainage or filter cleaning is planned",
              "next": "water-temperature",
              "observation": "abnormal"
            },
            {
              "label": "I have not checked this yet",
              "next": "ready",
              "observation": "unobserved"
            }
          ],
          "sourceId": "lg-manual",
          "locator": "pp. 5–6, 40"
        },
        {
          "id": "water-temperature",
          "goal": "Is the washer unplugged and the drain water cool?",
          "question": "Is the washer unplugged and the drain water cool?",
          "instruction": "Finish or stop the cycle, wait for motion to stop and allow hot water to cool. Have a shallow container ready before opening the small access cover.",
          "stepIds": [
            "step-1"
          ],
          "choices": [
            {
              "label": "Unplugged, cool and ready to contain water",
              "next": "residual-drain",
              "observation": "normal"
            },
            {
              "label": "Water is escaping or the area is unsafe",
              "next": "service",
              "observation": "abnormal"
            },
            {
              "label": "Cooling or unplugging is still pending",
              "next": "ready",
              "observation": "unobserved"
            }
          ],
          "sourceId": "lg-manual",
          "locator": "pp. 5–6, 40"
        },
        {
          "id": "residual-drain",
          "goal": "Has residual water drained through the small hose?",
          "question": "Has residual water drained through the small hose?",
          "instruction": "Drain into the container before loosening the large filter. Replug the small hose when emptying the container; repeat until the residual flow stops.",
          "stepIds": [
            "step-2"
          ],
          "choices": [
            {
              "label": "Residual water is contained and flow has stopped",
              "next": "filter-debris",
              "observation": "normal"
            },
            {
              "label": "I cannot contain the flow or drain safely",
              "next": "service",
              "observation": "abnormal"
            },
            {
              "label": "I have not drained the residual water",
              "next": "ready",
              "observation": "unobserved"
            }
          ],
          "sourceId": "lg-manual",
          "locator": "p. 40"
        },
        {
          "id": "filter-debris",
          "goal": "Can the filter be removed and cleaned without damage?",
          "question": "Can the filter be removed and cleaned without damage?",
          "instruction": "Turn counterclockwise only after residual drainage. Clear accessible debris; keep fingers and tools out of the pump mechanism.",
          "stepIds": [
            "step-3"
          ],
          "choices": [
            {
              "label": "Filter and opening are clear and intact",
              "next": "filter-refit",
              "observation": "normal"
            },
            {
              "label": "Filter is stuck, damaged or unsafe to handle",
              "next": "service",
              "observation": "abnormal"
            },
            {
              "label": "I have not checked this yet",
              "next": "ready",
              "observation": "unobserved"
            }
          ],
          "sourceId": "lg-manual",
          "locator": "p. 40"
        },
        {
          "id": "filter-refit",
          "goal": "Are the hose plug, hose clip and filter all secure?",
          "question": "Are the hose plug, hose clip and filter all secure?",
          "instruction": "Refit the small hose plug, clip the hose, seat the filter clockwise and close the cover before restoring power.",
          "stepIds": [
            "step-4"
          ],
          "choices": [
            {
              "label": "All user-accessible parts are secure",
              "next": "drain-result",
              "observation": "normal"
            },
            {
              "label": "A part will not seat or is damaged",
              "next": "service",
              "observation": "abnormal"
            },
            {
              "label": "Reassembly is not complete",
              "next": "ready",
              "observation": "unobserved"
            }
          ],
          "sourceId": "lg-manual",
          "locator": "p. 40"
        },
        {
          "id": "drain-result",
          "goal": "What happened on the next normal drain?",
          "question": "What happened on the next normal drain?",
          "instruction": "Observe only with the washer fully assembled, dry hands and a dry floor. Stop immediately for leakage.",
          "stepIds": [
            "step-5"
          ],
          "choices": [
            {
              "label": "Drain completed and the filter area stayed dry",
              "next": "done",
              "observation": "normal"
            },
            {
              "label": "Drainage is still poor or water escapes",
              "next": "service",
              "observation": "abnormal"
            },
            {
              "label": "I have not observed another drain",
              "next": "ready",
              "observation": "unobserved"
            }
          ],
          "sourceId": "lg-manual",
          "locator": "pp. 40, 44"
        }
      ],
      "branches": {
        "entry": "filter-need",
        "outcomes": {
          "done": {
            "title": "Result recorded",
            "text": "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.",
            "type": "user-maintenance"
          },
          "identified": {
            "title": "Next action recorded",
            "text": "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.",
            "type": "issue-located"
          },
          "service": {
            "type": "service-needed",
            "title": "Pause and arrange qualified help",
            "text": "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."
          },
          "ready": {
            "title": "Observation still needed",
            "text": "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.",
            "type": "prepared"
          }
        }
      },
      "outcomeChecks": [
        {
          "text": "Water drains and the refitted filter and hose plug do not leak",
          "sourceId": "lg-manual",
          "locator": "pp. 5–6, 40"
        }
      ],
      "stopConditions": [
        "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."
      ],
      "sources": [
        {
          "id": "lg-manual",
          "title": "LG WM4000H*A / WM4080H*A Owner’s Manual",
          "url": "https://media.us.lg.com/m/12df7154cf356724/original/WM4080_2023_Owners-Manual_Washer_Eng.pdf",
          "version": "MFL71728908 Rev.02_051022",
          "checkedAt": "2026-10-13",
          "purpose": "User maintenance, control operations, observable troubleshooting and safety",
          "reuse": "Copyright LG. Linked reference; original summaries only. No manual illustrations reproduced.",
          "locator": "pp. 5–6, 40",
          "topicPage": 40,
          "pdfPage": 40,
          "pageNumbering": "PDF page number equals printed English page number in these editions."
        },
        {
          "id": "lg-support",
          "title": "LG WM4000HWA product support",
          "url": "https://www.lg.com/us/support/product/lg-WM4000HWA.ABWEUUS",
          "version": "Live US model support page",
          "checkedAt": "2026-10-13",
          "purpose": "US model identity; newer revisions require comparison to supplied manual",
          "reuse": "Link only",
          "locator": "US WM4000HWA identity. Current support listings may contain a newer manual; these steps require MFL71728908 Rev.02_051022."
        }
      ],
      "assets": [
        {
          "id": "lg-drain-filter",
          "url": "/diagrams/lg-drain-filter.svg",
          "kind": "original schematic",
          "alt": "Small residual drain hose and plug distinguished from the larger removable drain pump filter",
          "license": "Original Homekeep artwork. Conceptual component relationships, not a scale drawing or an installation template.",
          "sourceId": "lg-manual",
          "locator": "pp. 5–6, 40"
        }
      ],
      "relatedIds": [
        "lg-oe-drain"
      ],
      "family": "drainage",
      "diagramId": "lg-drain-filter",
      "recordFields": [
        {
          "key": "before-observation",
          "label": "Drainage before cleaning",
          "phase": "before",
          "type": "text",
          "placeholder": "Slow drain, OE, or periodic cleaning"
        },
        {
          "key": "after-observation",
          "label": "Debris and drain result after refitting",
          "phase": "after",
          "type": "text",
          "placeholder": "What was removed; whether the next drain stayed dry"
        }
      ],
      "maintenance": {
        "intervalDays": null,
        "basis": "user-selected",
        "label": "Periodic cleaning; choose a reminder based on use. The manual gives no fixed interval.",
        "sourceId": "lg-manual",
        "locator": "p. 40"
      }
    }
  ],
  "model": {
    "id": "lg-wm4000hwa",
    "brand": "LG",
    "model": "WM4000HWA",
    "family": "washer",
    "region": "US",
    "manual": "lg-manual",
    "panel": "Rinse+Spin button with Control Lock marking; Tub Clean cycle. Compare your supplied manual with MFL71728908 Rev.02_051022.",
    "exclusions": [
      "WM3400CW",
      "WM4000HBA",
      "WM4080HWA",
      "WM4000HWA with a different control panel or manual instructions"
    ]
  }
}