{
  "id": "lg-hose-condition",
  "version": "2.0.0",
  "title": "Review inlet hose condition and age",
  "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": "Record visible wear and installation age, then decide whether to retain, investigate or replace the inlet hoses.",
  "prerequisites": [
    {
      "text": "Stop use for any active leak. Isolate power and water only from a safe, dry position.",
      "sourceId": "lg-manual",
      "locator": "pp. 4–6, 12–13"
    },
    {
      "text": "Inspect only visible, accessible inlet hoses. Keep fittings attached; do not pull out or tilt the washer to finish this record.",
      "sourceId": "lg-manual",
      "locator": "pp. 4–6, 12–13"
    }
  ],
  "tools": [
    "Flashlight, optional"
  ],
  "materials": [
    "Installation or replacement record, if available"
  ],
  "steps": [
    {
      "id": "step-1",
      "text": "Record when the hot and cold inlet hoses were installed or last replaced. Use an installation receipt or service record; mark the age unknown if none is available.",
      "sourceId": "lg-manual",
      "locator": "pp. 4–6, 12–13"
    },
    {
      "id": "step-2",
      "text": "With the washer off, visually inspect the reachable hose lengths and couplings for cracks, leakage and wear. Do not bend or loosen a hose to inspect it.",
      "sourceId": "lg-manual",
      "locator": "pp. 4–6, 12–13"
    },
    {
      "id": "step-3",
      "text": "Look for pinching, crushing or tight bends where the visible hoses approach the washer. Arrange an installer for inaccessible routing rather than moving the machine.",
      "sourceId": "lg-manual",
      "locator": "pp. 4–6, 12–13"
    },
    {
      "id": "step-4",
      "text": "The manual specifies replacement every five years, with earlier replacement when wear or leakage is present. Record a replacement action for hoses at that age or older; unknown age requires checking records or asking an installer.",
      "sourceId": "lg-manual",
      "locator": "pp. 4–6, 12–13"
    },
    {
      "id": "step-5",
      "text": "Give the installer the observed condition and age evidence. Have suitable new hoses and the connections checked according to the installation manual; do not reuse old hoses for a new installation.",
      "sourceId": "lg-manual",
      "locator": "pp. 4–6, 12–13"
    }
  ],
  "checks": [
    {
      "id": "hose-record",
      "goal": "Is there reliable evidence of the inlet hose age?",
      "question": "Is there reliable evidence of the inlet hose age?",
      "instruction": "Use an installation or replacement record, not the washer purchase date unless it also establishes when these hoses were fitted.",
      "stepIds": [
        "step-1"
      ],
      "choices": [
        {
          "label": "Installation or replacement date is documented",
          "next": "hose-surface",
          "observation": "normal"
        },
        {
          "label": "No reliable age evidence is available",
          "next": "identified",
          "observation": "abnormal"
        },
        {
          "label": "I have not looked for the record",
          "next": "ready",
          "observation": "unobserved"
        }
      ],
      "sourceId": "lg-manual",
      "locator": "p. 12"
    },
    {
      "id": "hose-surface",
      "goal": "Do accessible hose surfaces and couplings look intact and dry?",
      "question": "Do accessible hose surfaces and couplings look intact and dry?",
      "instruction": "Observe the reachable portions with the washer off. Do not undo a fitting, bend a hose or move the appliance.",
      "stepIds": [
        "step-2"
      ],
      "choices": [
        {
          "label": "Visible surfaces are dry with no wear or cracks",
          "next": "hose-routing",
          "observation": "normal"
        },
        {
          "label": "Cracks, wear or leakage are visible",
          "next": "hose-replacement",
          "observation": "abnormal"
        },
        {
          "label": "The surfaces cannot be seen safely",
          "next": "ready",
          "observation": "unobserved"
        }
      ],
      "sourceId": "lg-manual",
      "locator": "p. 12"
    },
    {
      "id": "hose-routing",
      "goal": "Are the visible hoses free of crushing, pinching and tight kinks?",
      "question": "Are the visible hoses free of crushing, pinching and tight kinks?",
      "instruction": "Leave inaccessible routing to an installer. A visible problem is grounds for assessment, not a reason to pull the machine out.",
      "stepIds": [
        "step-3"
      ],
      "choices": [
        {
          "label": "Visible route is clear",
          "next": "hose-age-decision",
          "observation": "normal"
        },
        {
          "label": "A kink, pinch or crushed area is visible",
          "next": "hose-replacement",
          "observation": "abnormal"
        },
        {
          "label": "The route has not been observed",
          "next": "ready",
          "observation": "unobserved"
        }
      ],
      "sourceId": "lg-manual",
      "locator": "pp. 12–13"
    },
    {
      "id": "hose-age-decision",
      "goal": "Are the documented hoses younger than five years?",
      "question": "Are the documented hoses younger than five years?",
      "instruction": "The manual says to replace inlet hoses every five years and check periodically for wear and leaks. Visual appearance does not extend that replacement interval.",
      "stepIds": [
        "step-4"
      ],
      "choices": [
        {
          "label": "Under five years and no visible concern was found",
          "next": "done",
          "observation": "normal"
        },
        {
          "label": "Five years old or older",
          "next": "hose-replacement",
          "observation": "abnormal"
        },
        {
          "label": "I have not compared the documented dates",
          "next": "ready",
          "observation": "unobserved"
        }
      ],
      "sourceId": "lg-manual",
      "locator": "p. 12"
    },
    {
      "id": "hose-replacement",
      "goal": "Is the replacement or routing assessment ready for an installer?",
      "question": "Is the replacement or routing assessment ready for an installer?",
      "instruction": "Record age and visible condition. Keep the washer out of use for leakage or damaged hoses; isolate water and power only from a dry safe position.",
      "stepIds": [
        "step-5"
      ],
      "choices": [
        {
          "label": "Observed concern is recorded for qualified help",
          "next": "service",
          "observation": "normal"
        },
        {
          "label": "Water is active or isolation is unsafe",
          "next": "service",
          "observation": "abnormal"
        },
        {
          "label": "The handoff note is not prepared",
          "next": "ready",
          "observation": "unobserved"
        }
      ],
      "sourceId": "lg-manual",
      "locator": "pp. 4–6, 12–13"
    }
  ],
  "branches": {
    "entry": "hose-record",
    "outcomes": {
      "done": {
        "title": "Visible hose review recorded",
        "text": "The documented hose age is under five years and the reachable portions showed no concern. Keep periodic checks and plan replacement from the actual installation date; hidden sections were not inspected.",
        "type": "user-maintenance"
      },
      "identified": {
        "title": "Establish hose age",
        "text": "Check installation records or ask the installer. Unknown age does not prove a failed hose, but it cannot establish that the five-year replacement point is still in the future.",
        "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": "The accessible condition and age evidence are recorded with a clear retain, investigate or replacement action.",
      "sourceId": "lg-manual",
      "locator": "pp. 4–6, 12–13"
    }
  ],
  "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. 4–6, 12–13",
      "pdfPage": 12
    },
    {
      "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-inlet-path",
      "url": "/diagrams/lg-inlet-path.svg",
      "kind": "original schematic",
      "alt": "Attached hot and cold inlet hoses and reachable coupling positions for condition and age review",
      "license": "Original Homekeep artwork. Conceptual component relationships, not a scale drawing or an installation template.",
      "sourceId": "lg-manual",
      "locator": "pp. 4–6, 12–13"
    }
  ],
  "relatedIds": [
    "lg-ie-inlet",
    "lg-inlet-filters",
    "lg-leak-check"
  ],
  "family": "intake",
  "diagramId": "lg-inlet-path",
  "recordFields": [
    {
      "key": "hose-date",
      "label": "Documented hose installation or replacement date",
      "phase": "before",
      "type": "text",
      "placeholder": "Date and record source, or unknown"
    },
    {
      "key": "hose-condition",
      "label": "Visible condition and action",
      "phase": "after",
      "type": "text",
      "placeholder": "Dry/intact, wear, cracks or kink; replace/retain/investigate"
    }
  ],
  "maintenance": {
    "intervalDays": null,
    "basis": "user-selected",
    "label": "Inspect periodically; replace inlet hoses every five years. Use the documented installation date, not this inspection date, to plan replacement.",
    "sourceId": "lg-manual",
    "locator": "p. 12"
  }
}
