{
  "$schema": "robofaults-fault-record/v0",
  "kind": "error",
  "brand": "eufy",
  "page_en": "https://robofaults.com/eufy/beep-4/",
  "page_es": "https://robofaults.com/es/eufy/beep-4/",
  "code": "4 beeps",
  "slug": "beep-4",
  "device_type": "vacuum",
  "name_en": "Low battery or rolling brush stuck",
  "name_es": "Batería baja o cepillo principal atascado",
  "badge": "4 BEEPS",
  "severity": "warn",
  "severity_note_en": "robot either needs a long charge or a brush clean before it will run",
  "severity_note_es": "el robot necesita una carga larga o una limpieza del cepillo antes de funcionar",
  "series": [
    "11S",
    "11S Max",
    "15C",
    "15C Max",
    "25C",
    "30C"
  ],
  "tools_en": "scissors for wrapped hair",
  "tools_es": "tijeras para el pelo enrollado",
  "time_min": 10,
  "difficulty": "easy",
  "safety": "none",
  "safety_note_en": "",
  "safety_note_es": "",
  "meaning_en": "Four beeps split by the red LED: <b>flashing red = power is too low</b> — charge the robot at least 5 hours; <b>solid red = the rolling brush is stuck</b> — remove and clean the brush.",
  "meaning_es": "Cuatro pitidos se leen con el LED rojo: <b>rojo parpadeante = batería demasiado baja</b> — carga el robot al menos 5 horas; <b>rojo fijo = el cepillo principal está atascado</b> — saca el cepillo y límpialo.",
  "causes": [
    {
      "title_en": "Flashing red — battery drained flat",
      "title_es": "Rojo parpadeante — batería agotada",
      "detail_en": "The manual's flashing-red variant is simply low power — the fix is a manual charge of at least 5 hours.",
      "detail_es": "La variante de rojo parpadeante del manual es simplemente batería baja — la solución es una carga manual de al menos 5 horas.",
      "likelihood": "most_common"
    },
    {
      "title_en": "Solid red — hair wrapped around the rolling brush",
      "title_es": "Rojo fijo — pelo enrollado en el cepillo principal",
      "detail_en": "Solid red maps to a stuck rolling brush — eufy's fix cleans the brush, both of its ends, and the connectors on the vacuum.",
      "detail_es": "El rojo fijo corresponde a un cepillo principal atascado — la solución de eufy limpia el cepillo, sus dos extremos y las conexiones del robot.",
      "likelihood": "common"
    },
    {
      "title_en": "Charging chain broken, so the battery never fills",
      "title_es": "Cadena de carga rota, la batería nunca se llena",
      "detail_en": "If four beeps return after every clean, check the base — white indicator lit, pins clean, and the robot docking within 6 feet.",
      "detail_es": "Si los cuatro pitidos vuelven tras cada limpieza, revisa la base — indicador blanco encendido, contactos limpios y acoplamiento a menos de 2 metros.",
      "likelihood": "uncommon"
    }
  ],
  "steps": [
    {
      "title_en": "Read the LED first",
      "title_es": "Lee primero el LED",
      "detail_en": "Flashing red means charge the battery; solid red means clean the rolling brush.",
      "detail_es": "El rojo parpadeante significa cargar la batería; el rojo fijo, limpiar el cepillo principal."
    },
    {
      "title_en": "Flashing red — charge for 5+ hours",
      "title_es": "Rojo parpadeante — carga 5 horas o más",
      "detail_en": "Dock the robot (or plug it in), confirm the charging light breathes orange, and wait for solid blue before the next mission.",
      "detail_es": "Acopla el robot (o enchúfalo), confirma que la luz de carga respira en naranja y espera al azul fijo antes de la siguiente limpieza."
    },
    {
      "title_en": "Solid red — clean the rolling brush",
      "title_es": "Rojo fijo — limpia el cepillo principal",
      "detail_en": "Turn off RoboVac, remove the brush guard and rolling brush, cut away wrapped hair — especially at the two ends — and clean the connectors.",
      "detail_es": "Apaga el RoboVac, retira la protección y el cepillo principal, corta el pelo enrollado — sobre todo en los dos extremos — y limpia las conexiones."
    },
    {
      "title_en": "Test without the brush if unsure",
      "title_es": "Prueba sin el cepillo si dudas",
      "detail_en": "eufy's diagnostic — run the robot briefly on hard floor without brush guard and rolling brush — if the error stops, the brush or its drive was the jam.",
      "detail_es": "El diagnóstico de eufy — haz funcionar el robot un momento en suelo duro sin protección ni cepillo — si el error desaparece, el atasco estaba en el cepillo o su transmisión."
    }
  ],
  "parts": [
    "eufy-rolling-brush-bounce"
  ],
  "related": [
    "3 beeps",
    "5 beeps"
  ],
  "sources": [
    {
      "label_en": "eufy Support — Troubleshooting the four-beep error",
      "label_es": "Soporte de eufy — Solución del error de cuatro pitidos",
      "url": "https://service.eufy.com/article-description/Troubleshooting-about-Four-Beep-Error-1617958291101",
      "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"
}