{
  "$schema": "robofaults-fault-record/v0",
  "kind": "error",
  "brand": "eufy",
  "page_en": "https://robofaults.com/eufy/beep-3/",
  "page_es": "https://robofaults.com/es/eufy/beep-3/",
  "code": "3 beeps",
  "slug": "beep-3",
  "device_type": "vacuum",
  "name_en": "Drop sensors dirty or suction fan stuck",
  "name_es": "Sensores de desnivel sucios o ventilador atascado",
  "badge": "3 BEEPS",
  "severity": "warn",
  "severity_note_en": "robot refuses to run until its drop sensors read clean or the fan is cleared",
  "severity_note_es": "el robot se niega a funcionar hasta que sus sensores de desnivel lean bien o el ventilador quede libre",
  "series": [
    "11S",
    "11S Max",
    "15C",
    "15C Max",
    "25C",
    "30C"
  ],
  "tools_en": "clean dry cloth",
  "tools_es": "paño limpio y seco",
  "time_min": 10,
  "difficulty": "easy",
  "safety": "none",
  "safety_note_en": "",
  "safety_note_es": "",
  "meaning_en": "Three beeps split by the red LED: <b>flashing red = dirty drop sensors</b> — wipe them with a dry cloth; <b>solid red = the suction fan is stuck</b> — empty the dust collector and clear the suction inlet.",
  "meaning_es": "Tres pitidos se leen con el LED rojo: <b>rojo parpadeante = sensores de desnivel sucios</b> — límpialos con un paño seco; <b>rojo fijo = el ventilador de succión está atascado</b> — vacía el depósito de suciedad y despeja la entrada de succión.",
  "causes": [
    {
      "title_en": "Flashing red — dust on the drop sensors",
      "title_es": "Rojo parpadeante — polvo en los sensores de desnivel",
      "detail_en": "The manual maps flashing red to dirty drop sensors; a film of dust makes the floor read as a staircase.",
      "detail_es": "El manual asigna el rojo parpadeante a sensores de desnivel sucios; una capa de polvo hace que el suelo se lea como una escalera.",
      "likelihood": "most_common"
    },
    {
      "title_en": "Solid red — debris in the suction fan or inlet",
      "title_es": "Rojo fijo — suciedad en el ventilador o la entrada de succión",
      "detail_en": "Solid red means the suction fan is stuck — eufy's fix empties the dust collector, checks the inlet, and shakes debris out of the fan.",
      "detail_es": "El rojo fijo significa ventilador atascado — la solución de eufy vacía el depósito, revisa la entrada y sacude la suciedad del ventilador.",
      "likelihood": "common"
    },
    {
      "title_en": "Robot stopped on a ledge, dark carpet or strong sun",
      "title_es": "Robot detenido en un borde, alfombra oscura o sol intenso",
      "detail_en": "eufy's article asks whether the error only fires in one area — stair edges, black carpet and direct sunlight all skew the sensors.",
      "detail_es": "El artículo de eufy pregunta si el error solo salta en una zona — los bordes de escalera, la alfombra negra y el sol directo alteran los sensores.",
      "likelihood": "common"
    },
    {
      "title_en": "Wet filter or fan after running over liquid",
      "title_es": "Filtro o ventilador mojados tras pasar por un líquido",
      "detail_en": "The official steps warn about liquids — dry every wet part completely before reinstalling.",
      "detail_es": "Los pasos oficiales advierten sobre líquidos — seca por completo cada pieza mojada antes de volver a montarla.",
      "likelihood": "uncommon"
    }
  ],
  "steps": [
    {
      "title_en": "Read the LED first",
      "title_es": "Lee primero el LED",
      "detail_en": "Flashing red points at the drop sensors; solid red points at the suction fan.",
      "detail_es": "El rojo parpadeante apunta a los sensores de desnivel; el rojo fijo, al ventilador de succión."
    },
    {
      "title_en": "Flashing red — wipe the drop sensors",
      "title_es": "Rojo parpadeante — limpia los sensores de desnivel",
      "detail_en": "Power off with the switch, wait a minute, then clean all three drop sensors under the robot with a clean, dry cloth.",
      "detail_es": "Apaga con el interruptor, espera un minuto y limpia los tres sensores de desnivel bajo el robot con un paño limpio y seco."
    },
    {
      "title_en": "Solid red — clear the suction path",
      "title_es": "Rojo fijo — despeja el conducto de succión",
      "detail_en": "Empty the dust collector, check the filters sit correctly, then hold the robot inlet-down and shake debris out of the suction area.",
      "detail_es": "Vacía el depósito de suciedad, comprueba que los filtros están bien puestos y sujeta el robot con la entrada hacia abajo para sacudir la suciedad."
    },
    {
      "title_en": "Restart away from the trouble spot",
      "title_es": "Reinicia lejos del punto conflictivo",
      "detail_en": "Power back on and start from a different area; block off ledges or black carpet zones that keep triggering the sensors.",
      "detail_es": "Vuelve a encender y empieza en otra zona; bloquea los bordes o la alfombra negra que sigan disparando los sensores."
    }
  ],
  "parts": [
    "eufy-filter-set-bounce"
  ],
  "related": [
    "2 beeps",
    "4 beeps"
  ],
  "sources": [
    {
      "label_en": "eufy Support — RoboVac stops mid-clean with a three-beep error",
      "label_es": "Soporte de eufy — El RoboVac se detiene a mitad de limpieza con tres pitidos",
      "url": "https://service.eufy.com/article-description/What-if-my-RoboVac-stops-in-the-middle-of-cleaning-with-Three-Beep-Error",
      "kind": "official"
    },
    {
      "label_en": "eufy RoboVac 11S / 11S Max / 15C Max owner's manual (official download)",
      "label_es": "Manual oficial del eufy RoboVac 11S / 11S Max / 15C Max (descarga oficial)",
      "url": "https://service.eufy.com/article-description/RoboVac-11S-11S-Max-15C-Max-EU-Manual",
      "kind": "official"
    },
    {
      "label_en": "eufy RoboVac 11S T2108 owner's manual — error tone table (mirror)",
      "label_es": "Manual del eufy RoboVac 11S T2108 — tabla de tonos de error (copia)",
      "url": "https://www.manualslib.com/manual/1438799/Eufy-Robovac-11s-T2108.html?page=14",
      "kind": "community"
    }
  ],
  "confidence": "official",
  "last_verified": "2026-07-06"
}