{
  "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"
  }
}