{
  "id": "lg-leak-check",
  "version": "2.0.0",
  "title": "Record external clues after a water leak",
  "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": "Identify a visible leak location for service without running another test cycle.",
  "prerequisites": [
    {
      "text": "Stop use immediately. Avoid standing water or wet electrical parts.",
      "sourceId": "lg-manual",
      "locator": "pp. 4–5, 46"
    },
    {
      "text": "Isolate power and close accessible supply valves only from a safe dry position.",
      "sourceId": "lg-manual",
      "locator": "pp. 4–5, 46"
    }
  ],
  "tools": [
    "No tools needed"
  ],
  "materials": [
    "Local written notes, optional"
  ],
  "steps": [
    {
      "id": "step-1",
      "text": "From a dry location, record whether water was seen at the inlet connections, drain standpipe, drawer or door. Do not touch a wet machine.",
      "sourceId": "lg-manual",
      "locator": "pp. 4–5, 46"
    },
    {
      "id": "step-2",
      "text": "Observe reachable hoses for cracks, splits or an obvious disconnected end without moving or undoing anything.",
      "sourceId": "lg-manual",
      "locator": "pp. 4–5, 46"
    },
    {
      "id": "step-3",
      "text": "If household drain water backed up during the last drain, request a plumber to check the drain line.",
      "sourceId": "lg-manual",
      "locator": "pp. 4–5, 46"
    },
    {
      "id": "step-4",
      "text": "Record detergent type and visible suds, since excess suds can contribute to leakage. Do not run another cycle to recreate the leak.",
      "sourceId": "lg-manual",
      "locator": "pp. 4–5, 46"
    },
    {
      "id": "step-5",
      "text": "Arrange qualified service or plumbing help with the exact model and observations; keep the washer out of use until the cause is addressed.",
      "sourceId": "lg-manual",
      "locator": "pp. 4–5, 46"
    }
  ],
  "checks": [
    {
      "id": "leak-observation-point",
      "goal": "Can you stay on dry ground away from wet electrical parts?",
      "question": "Can you stay on dry ground away from wet electrical parts?",
      "instruction": "Stop use. Isolate power and close accessible water faucets only from a safe dry position. Do not touch a wet washer or run another cycle.",
      "stepIds": [],
      "choices": [
        {
          "label": "Observation is possible from a safe dry position",
          "next": "leak-location",
          "observation": "normal"
        },
        {
          "label": "No leak occurred; this record is not needed",
          "next": "identified",
          "observation": "normal"
        },
        {
          "label": "Water is active or the area is unsafe",
          "next": "service",
          "observation": "abnormal"
        },
        {
          "label": "I cannot confirm a safe observation position",
          "next": "ready",
          "observation": "unobserved"
        }
      ],
      "sourceId": "lg-manual",
      "locator": "pp. 4–5, 46"
    },
    {
      "id": "leak-location",
      "goal": "Where was water first seen during the previous use?",
      "question": "Where was water first seen during the previous use?",
      "instruction": "Record only what you already saw or can see without approaching the wet appliance.",
      "stepIds": [
        "step-1"
      ],
      "choices": [
        {
          "label": "No location is visible now; prior observation is recorded",
          "next": "leak-hose-clues",
          "observation": "normal"
        },
        {
          "label": "At a hose, drawer, door or drain area",
          "next": "leak-hose-clues",
          "observation": "abnormal"
        },
        {
          "label": "I have no location observation yet",
          "next": "ready",
          "observation": "unobserved"
        }
      ],
      "sourceId": "lg-manual",
      "locator": "p. 46"
    },
    {
      "id": "leak-hose-clues",
      "goal": "Is visible hose damage or a disconnected end present?",
      "question": "Is visible hose damage or a disconnected end present?",
      "instruction": "Inspect from your dry position; keep all fittings attached and do not move the appliance.",
      "stepIds": [
        "step-2"
      ],
      "choices": [
        {
          "label": "No visible hose damage from this position",
          "next": "leak-drain-clue",
          "observation": "normal"
        },
        {
          "label": "A crack, split or disconnected end is visible",
          "next": "leak-handoff",
          "observation": "abnormal"
        },
        {
          "label": "Hoses cannot be observed safely",
          "next": "ready",
          "observation": "unobserved"
        }
      ],
      "sourceId": "lg-manual",
      "locator": "pp. 12, 46"
    },
    {
      "id": "leak-drain-clue",
      "goal": "Was water backing up from the household drain?",
      "question": "Was water backing up from the household drain?",
      "instruction": "Use the previous drain observation. A household drain backup should be assessed by a plumber.",
      "stepIds": [
        "step-3"
      ],
      "choices": [
        {
          "label": "No drain backup was observed",
          "next": "leak-suds-clue",
          "observation": "normal"
        },
        {
          "label": "Drain backup was observed",
          "next": "leak-handoff",
          "observation": "abnormal"
        },
        {
          "label": "Drain behavior was not observed",
          "next": "ready",
          "observation": "unobserved"
        }
      ],
      "sourceId": "lg-manual",
      "locator": "p. 46"
    },
    {
      "id": "leak-suds-clue",
      "goal": "Were excess suds present when the leak occurred?",
      "question": "Were excess suds present when the leak occurred?",
      "instruction": "Record product and dose if known. Suds can contribute to leakage but do not prove its origin.",
      "stepIds": [
        "step-4"
      ],
      "choices": [
        {
          "label": "No excess suds were seen",
          "next": "leak-handoff",
          "observation": "normal"
        },
        {
          "label": "Excess suds were seen",
          "next": "leak-handoff",
          "observation": "abnormal"
        },
        {
          "label": "Suds were not observed",
          "next": "ready",
          "observation": "unobserved"
        }
      ],
      "sourceId": "lg-manual",
      "locator": "pp. 20, 46"
    },
    {
      "id": "leak-handoff",
      "goal": "Is the observation note ready for qualified help?",
      "question": "Is the observation note ready for qualified help?",
      "instruction": "Keep the washer out of use. Give service or a plumber the location, timing, visible condition and exact model. Do not recreate the leak.",
      "stepIds": [
        "step-5"
      ],
      "choices": [
        {
          "label": "Service or plumbing note is prepared; washer remains off",
          "next": "done",
          "observation": "normal"
        },
        {
          "label": "Leakage is continuing or isolation is unsafe",
          "next": "service",
          "observation": "abnormal"
        },
        {
          "label": "I have not prepared the note",
          "next": "ready",
          "observation": "unobserved"
        }
      ],
      "sourceId": "lg-manual",
      "locator": "pp. 4–5, 46"
    }
  ],
  "branches": {
    "entry": "leak-observation-point",
    "outcomes": {
      "done": {
        "title": "Leak observation note ready",
        "text": "Your note is ready for qualified service or a plumber. Keep the washer out of use until the cause is addressed. Completing this note does not mean the leak has been fixed.",
        "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": "A likely external location was recorded for qualified help",
      "sourceId": "lg-manual",
      "locator": "pp. 4–5, 46"
    }
  ],
  "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. 4–5, 46",
      "topicPage": 46,
      "pdfPage": 46,
      "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-exterior-observe",
      "url": "/diagrams/lg-exterior-observe.svg",
      "kind": "original schematic",
      "alt": "External inlet, drawer, door and household drain locations for recording a previously observed leak",
      "license": "Original Homekeep artwork. Conceptual component relationships, not a scale drawing or an installation template.",
      "sourceId": "lg-manual",
      "locator": "pp. 4–5, 46"
    }
  ],
  "relatedIds": [
    "lg-excess-suds",
    "lg-ie-inlet"
  ],
  "family": "care",
  "diagramId": "lg-exterior-observe",
  "recordFields": [
    {
      "key": "before-observation",
      "label": "First observed leak location and timing",
      "phase": "before",
      "type": "text",
      "placeholder": "At fill, wash or drain; water location"
    },
    {
      "key": "after-observation",
      "label": "Visible clues and help requested",
      "phase": "after",
      "type": "text",
      "placeholder": "Hose condition, backup or suds; service/plumber next action"
    }
  ],
  "maintenance": {
    "intervalDays": null,
    "basis": "user-selected",
    "label": "Use after an observed leak; keep the washer out of use until its cause is addressed.",
    "sourceId": "lg-manual",
    "locator": "pp. 4–5, 46"
  }
}