{
  "id": "v8-pulsing",
  "version": "2.0.0",
  "title": "Check pulsing and automatic cut-out",
  "deviceFamily": "vacuum",
  "intent": "Troubleshooting",
  "summary": "Stop a pulsing machine, let it cool and clear the identified obstruction before a controlled return to normal use.",
  "modelApplicability": [
    "v8-sv10-pinch-us"
  ],
  "modelDetails": [
    {
      "id": "v8-sv10-pinch-us",
      "family": "vacuum",
      "brand": "Dyson",
      "series": "V8",
      "label": "Dyson V8 SV10 · pinch filter · US",
      "region": "US",
      "componentVersion": "Pinch-handle Filter A and twist-off Filter B; original dry motorized head",
      "manual": "dyson-v8-manual",
      "help": "Read SV10 on the machine label and compare your parts with manual 229602-01. Filter A has a small pinch handle; Filter B twists off the rear. A star-shaped top is a different version. Confirm the dry motorized head in this manual before following a brush task.",
      "exclusions": [
        "V8 star pre-filter",
        "V8 Cyclone",
        "Soft roller / Fluffy head cleaning",
        "V10 / V11",
        "Modified batteries or aftermarket heads"
      ],
      "recognitionSource": "dyson-models"
    }
  ],
  "exclusions": [
    "V8 star pre-filter",
    "V8 Cyclone",
    "Soft roller / Fluffy head cleaning",
    "V10 / V11",
    "Modified batteries or aftermarket heads"
  ],
  "prerequisites": [
    "Read SV10 on the label, confirm the US 229602-01 manual and match the pinch-handle Filter A, twist-off Filter B and any head involved.",
    "Disconnect the charger, release the trigger and let the machine cool before handling removable parts. Keep your hand away from the trigger."
  ],
  "tools": [
    "Good lighting"
  ],
  "materials": [
    "Waste bag"
  ],
  "checks": [
    {
      "id": "safety",
      "prompt": "Is the charger disconnected, the machine cool and undamaged, and your hand away from the trigger?",
      "sourceId": "dyson-v8-manual",
      "sourceLocator": "pp2–3 Important safety instructions; p12 Looking for blockages",
      "options": [
        {
          "id": "yes",
          "label": "Yes",
          "next": "check-1",
          "advice": "Continue with the matching parts and the checks below."
        },
        {
          "id": "no",
          "label": "No",
          "next": "service",
          "advice": "Stop for a damaged charger, burning smell, liquid exposure, a swollen or leaking battery, broken catches or an obstruction you cannot safely reach. Contact Dyson and keep the battery sealed."
        },
        {
          "id": "unsure",
          "label": "Not sure",
          "next": "prepared",
          "advice": "Save your observations and compare the matching manual before continuing."
        }
      ]
    },
    {
      "id": "check-1",
      "prompt": "Did the motor repeatedly switch on and off before stopping?",
      "sourceId": "dyson-v8-manual",
      "sourceLocator": "p12 Looking for blockages; Blockages – automatic cut-out; p8 Stubborn blockages",
      "options": [
        {
          "id": "yes",
          "label": "Yes",
          "next": "check-2",
          "advice": "The manual describes this pattern with a blockage and automatic cut-out."
        },
        {
          "id": "no",
          "label": "No",
          "next": "prepared",
          "advice": "Choose the during-use lights or weak-suction task for a different symptom."
        },
        {
          "id": "unsure",
          "label": "Not sure",
          "next": "prepared",
          "advice": "Save your observations and compare the matching manual before continuing."
        }
      ]
    },
    {
      "id": "check-2",
      "prompt": "Has the machine cooled, and is a safely accessible blockage visible?",
      "sourceId": "dyson-v8-manual",
      "sourceLocator": "p12 Looking for blockages; Blockages – automatic cut-out; p8 Stubborn blockages",
      "options": [
        {
          "id": "yes",
          "label": "Yes",
          "next": "steps",
          "advice": "Remove the cause before a restart."
        },
        {
          "id": "no",
          "label": "No",
          "next": "service",
          "advice": "Allow cooling first; continued cut-out without an accessible cause needs Dyson support."
        },
        {
          "id": "unsure",
          "label": "Not sure",
          "next": "prepared",
          "advice": "Save your observations and compare the matching manual before continuing."
        }
      ]
    }
  ],
  "branches": [
    {
      "checkId": "safety",
      "optionId": "yes",
      "next": "check-1"
    },
    {
      "checkId": "safety",
      "optionId": "no",
      "next": "service"
    },
    {
      "checkId": "safety",
      "optionId": "unsure",
      "next": "prepared"
    },
    {
      "checkId": "check-1",
      "optionId": "yes",
      "next": "check-2"
    },
    {
      "checkId": "check-1",
      "optionId": "no",
      "next": "prepared"
    },
    {
      "checkId": "check-1",
      "optionId": "unsure",
      "next": "prepared"
    },
    {
      "checkId": "check-2",
      "optionId": "yes",
      "next": "steps"
    },
    {
      "checkId": "check-2",
      "optionId": "no",
      "next": "service"
    },
    {
      "checkId": "check-2",
      "optionId": "unsure",
      "next": "prepared"
    }
  ],
  "steps": [
    {
      "title": "Record the sequence",
      "text": "Leave the machine stopped and disconnected from its charger. Record whether repeated pulses led to a complete stop, and allow it to cool before handling the air path.",
      "observation": "Cooling is required; the manual gives no fixed number of minutes for blockage inspection.",
      "sourceId": "dyson-v8-manual",
      "sourceLocator": "p12 Looking for blockages; Blockages – automatic cut-out; p8 Stubborn blockages",
      "requiredFields": [
        "cutoutSequence"
      ],
      "id": "step-1"
    },
    {
      "title": "Locate the visible cause",
      "text": "Detach the wand and head with the trigger released. Inspect their openings and the bin inlet, watching for sharp objects.",
      "observation": "Record the location that actually contains debris.",
      "sourceId": "dyson-v8-manual",
      "sourceLocator": "p12 Looking for blockages; Blockages – automatic cut-out; p8 Stubborn blockages",
      "requiredFields": [
        "causeLocation"
      ],
      "id": "step-2"
    },
    {
      "title": "Use the matching removal route",
      "text": "For the wand/head inlet use the wand task; for the body inlet use the documented bin/cyclone task; for a trapped brush use the matching dry brush-bar task. Stop if the component or access differs.",
      "observation": "The route follows the specific removable part; no internal motor or battery work is involved.",
      "sourceId": "dyson-v8-manual",
      "sourceLocator": "p12 Looking for blockages; Blockages – automatic cut-out; p8 Stubborn blockages",
      "id": "step-3"
    },
    {
      "title": "Confirm the blockage is gone",
      "text": "Recheck the affected passage while the machine is stopped. If the obstruction remains or you cannot confirm it is clear, save the record and contact Dyson.",
      "observation": "A cool machine with a remaining obstruction is not ready to restart.",
      "sourceId": "dyson-v8-manual",
      "sourceLocator": "p12 Looking for blockages; Blockages – automatic cut-out; p8 Stubborn blockages",
      "requiredFields": [
        "causeRemoved"
      ],
      "id": "step-4"
    },
    {
      "title": "Reassemble the cooled machine",
      "text": "Secure every removed part, the bin and both completely dry filters. Any washed filter must first finish its separate 24-hour minimum and complete drying.",
      "observation": "All parts and fasteners are secure before the trigger is used.",
      "sourceId": "dyson-v8-manual",
      "sourceLocator": "p11 Vacuuming; Washing the filters; p12 Looking for blockages",
      "id": "step-5"
    },
    {
      "title": "Make one normal-use observation",
      "text": "On a suitable dry surface, check briefly for stable operation. If pulsing or cut-out returns, release the trigger, stop the test and contact Dyson with this record.",
      "observation": "Record stable operation or recurrence; repeated cycling does not clear the cause.",
      "sourceId": "dyson-v8-manual",
      "sourceLocator": "p12 Looking for blockages; Blockages – automatic cut-out; p8 Stubborn blockages",
      "requiredFields": [
        "cutoutResult"
      ],
      "id": "step-6"
    }
  ],
  "outcomeChecks": [
    {
      "id": "outcome-1",
      "text": "The machine cooled, the observed obstruction was cleared and all parts were restored.",
      "sourceId": "dyson-v8-manual",
      "sourceLocator": "p12 Looking for blockages; Blockages – automatic cut-out; p8 Stubborn blockages"
    },
    {
      "id": "outcome-2",
      "text": "The reassembled observation is recorded; any recurrence ends user troubleshooting.",
      "sourceId": "dyson-v8-manual",
      "sourceLocator": "p12 Looking for blockages; Blockages – automatic cut-out; p8 Stubborn blockages"
    }
  ],
  "stopConditions": [
    "Stop for a damaged charger, burning smell, liquid exposure, a swollen or leaking battery, broken catches or an obstruction you cannot safely reach. Contact Dyson and keep the battery sealed."
  ],
  "sources": [
    {
      "id": "dyson-v8-manual",
      "title": "Dyson V8 SV10 operating manual, pinch filter (229602-01)",
      "url": "https://www.dyson.com/content/dam/dyson/maintenance/user-guides/en_US/vacuumcleaners/cordlessstickvacuums/sv10/without-soft-roller/229602-01.pdf",
      "checkedAt": "2026-10-13",
      "use": "User maintenance, Filter A and B, bin cleaning, blockages, charging safety",
      "license": "Manufacturer copyright. Facts paraphrased; manual and diagrams not redistributed.",
      "region": "US",
      "locator": "p12 Looking for blockages; Blockages – automatic cut-out; p8 Stubborn blockages"
    },
    {
      "id": "dyson-models",
      "title": "Choose your Dyson V8 support: star or pinch filter",
      "url": "https://www.dyson.com/support/vacuum-cleaners/cordless/v8",
      "checkedAt": "2026-10-13",
      "use": "Distinguish pre-filter versions; no automatic cross-version compatibility",
      "license": "Linked only; original identification explanation.",
      "region": "US",
      "locator": "V8 support selector: pinch handle versus star filter"
    }
  ],
  "assets": [
    {
      "path": "/assets/vacuum/airway.svg",
      "title": "Air path: detached head, wand and bin inlet",
      "kind": "Original sequence schematic of user-accessible parts; not to scale or an engineering drawing"
    }
  ],
  "relatedIds": [
    "v8-wand-blockage",
    "v8-body-blockage",
    "v8-brush-bar-clean",
    "v8-low-suction"
  ],
  "specs": [],
  "updatedAt": "2026-10-13",
  "estimatedDuration": null,
  "group": "v8-airway",
  "locator": "p12 Looking for blockages; Blockages – automatic cut-out; p8 Stubborn blockages",
  "consumables": [
    {
      "name": "Dustproof bag",
      "specification": "Contain dry bin contents; close the bag after emptying.",
      "fit": "Original clear bin during emptying",
      "exclude": "Liquid, hot ash and hazardous material",
      "sourceId": "dyson-v8-manual",
      "sourceLocator": "p11 Emptying the clear bin; Cleaning the clear bin"
    }
  ],
  "maintenance": {
    "trigger": "The motor repeatedly switches on and off or cuts out after pulsing.",
    "intervalText": "As needed for this condition. No fixed calendar interval is specified for this check; choose your own review date if useful.",
    "basis": "user-plan",
    "sourceId": "dyson-v8-manual",
    "sourceLocator": "p12 Looking for blockages; Blockages – automatic cut-out; p8 Stubborn blockages"
  },
  "recordFields": [
    {
      "id": "cutoutSequence",
      "label": "Observed sequence",
      "type": "select",
      "required": true,
      "dependsOnStep": "step-1",
      "options": [
        {
          "value": "pulses-stop",
          "label": "Repeated pulses, then stopped"
        },
        {
          "value": "pulses",
          "label": "Repeated pulses without a full stop"
        }
      ]
    },
    {
      "id": "causeLocation",
      "label": "Visible obstruction",
      "type": "select",
      "required": true,
      "dependsOnStep": "step-2",
      "options": [
        {
          "value": "wand",
          "label": "Wand"
        },
        {
          "value": "head",
          "label": "Head inlet or brush"
        },
        {
          "value": "body",
          "label": "Bin/body inlet"
        }
      ]
    },
    {
      "id": "causeRemoved",
      "label": "The visible obstruction is removed and the passage is clear",
      "type": "checkbox",
      "required": true,
      "dependsOnStep": "step-4"
    },
    {
      "id": "cutoutResult",
      "label": "Reassembled observation",
      "type": "select",
      "required": true,
      "dependsOnStep": "step-6",
      "options": [
        {
          "value": "stable",
          "label": "Operation stayed stable"
        },
        {
          "value": "returned",
          "label": "Pulsing or cut-out returned; support needed",
          "resultGate": "service"
        }
      ]
    }
  ],
  "fitChecks": [
    {
      "id": "filter",
      "label": "Top filter",
      "accepted": "pinch",
      "options": [
        {
          "value": "",
          "label": "Choose the version you can confirm"
        },
        {
          "value": "pinch",
          "label": "SV10 with the pinch-handle Filter A"
        },
        {
          "value": "star",
          "label": "Star-shaped top filter"
        },
        {
          "value": "cyclone",
          "label": "Newer V8 Cyclone or another model"
        },
        {
          "value": "unknown",
          "label": "I am not sure"
        }
      ],
      "help": "The V8 name alone does not identify the filter. Compare the label and the official star/pinch selector."
    },
    {
      "id": "head",
      "label": "Floor head",
      "accepted": "dry-original",
      "options": [
        {
          "value": "",
          "label": "Choose the version you can confirm"
        },
        {
          "value": "dry-original",
          "label": "Original dry motorized head shown in manual 229602-01"
        },
        {
          "value": "fluffy",
          "label": "Soft Roller / Fluffy"
        },
        {
          "value": "modified",
          "label": "A replacement or different head"
        },
        {
          "value": "unknown",
          "label": "I am not sure"
        }
      ],
      "help": "This collection covers the original dry head. A washable roller does not make a motorized head washable."
    },
    {
      "id": "manual",
      "label": "Regional instructions",
      "accepted": "us-229602",
      "options": [
        {
          "value": "",
          "label": "Choose the version you can confirm"
        },
        {
          "value": "us-229602",
          "label": "My SV10 label and US manual 229602-01 match"
        },
        {
          "value": "different",
          "label": "My regional instructions or parts differ"
        },
        {
          "value": "unknown",
          "label": "I am not sure"
        }
      ],
      "help": "Use your supplied regional manual if it differs; do not infer compatibility from a similar name."
    }
  ]
}