{
  "$schema": "robofaults-fault-record/v0",
  "kind": "error",
  "brand": "eufy",
  "page_en": "https://robofaults.com/eufy/error-s3/",
  "page_es": "https://robofaults.com/es/eufy/error-s3/",
  "code": "S3",
  "slug": "error-s3",
  "device_type": "vacuum",
  "name_en": "Side brush error",
  "name_es": "Error del cepillo lateral",
  "badge": "ERR S3",
  "severity": "warn",
  "severity_note_en": "the side brush motor reports a fault — clean first, then service",
  "severity_note_es": "el motor del cepillo lateral reporta un fallo — primero limpieza, después servicio técnico",
  "series": [
    "G30/G40",
    "L70",
    "X8",
    "LR/L35"
  ],
  "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": "Error S3 means the <b>side brush module reports a fault</b> — the escalation of Error 3. Strip hair off the brush and its connector, swap in a spare brush if you have one, and escalate to support if S3 returns.",
  "meaning_es": "El error S3 significa que el <b>módulo del cepillo lateral reporta un fallo</b> — la escalada del error 3. Quita el pelo del cepillo y de su conexión, monta un cepillo de repuesto si tienes y escala a soporte si el S3 vuelve.",
  "causes": [
    {
      "title_en": "Chronic tangle stalling the motor",
      "title_es": "Enredo crónico que frena el motor",
      "detail_en": "Hair left wrapped for weeks overloads the small side-brush motor until the module-level fault trips.",
      "detail_es": "El pelo enrollado durante semanas sobrecarga el pequeño motor del cepillo lateral hasta disparar el fallo de módulo.",
      "likelihood": "most_common"
    },
    {
      "title_en": "Debris in the brush connector",
      "title_es": "Suciedad en la conexión del cepillo",
      "detail_en": "eufy's fix includes cleaning the connector where the brush snaps on — grit there blocks the drive.",
      "detail_es": "La solución de eufy incluye limpiar la conexión donde encaja el cepillo — la arenilla ahí bloquea la transmisión.",
      "likelihood": "common"
    },
    {
      "title_en": "Side brush motor failure",
      "title_es": "Avería del motor del cepillo lateral",
      "detail_en": "If a fresh brush snapped on correctly still triggers S3, the motor assembly has failed — a service case.",
      "detail_es": "Si un cepillo nuevo bien encajado sigue disparando el S3, el conjunto del motor ha fallado — caso de servicio técnico.",
      "likelihood": "uncommon"
    }
  ],
  "steps": [
    {
      "title_en": "Clean brush and connector",
      "title_es": "Limpia el cepillo y la conexión",
      "detail_en": "Power off, pull the side brush off its post, strip wrapped hair, and clean the connector area on the robot.",
      "detail_es": "Apaga el robot, saca el cepillo lateral de su eje, retira el pelo enrollado y limpia la zona de conexión en el robot."
    },
    {
      "title_en": "Refit until it clicks",
      "title_es": "Encaja hasta oír un clic",
      "detail_en": "Press the brush back on until it snaps — eufy notes a correct fit makes an audible click — then run a short clean.",
      "detail_es": "Presiona el cepillo hasta que encaje — eufy indica que un montaje correcto suena con un clic — y lanza una limpieza corta."
    },
    {
      "title_en": "Try a replacement brush",
      "title_es": "Prueba con un cepillo de recambio",
      "detail_en": "Fit a spare or new side brush; a persistent S3 with a new brush means the motor needs service — contact eufy support.",
      "detail_es": "Monta un cepillo de repuesto o nuevo; un S3 persistente con cepillo nuevo significa que el motor necesita servicio — contacta con eufy."
    }
  ],
  "parts": [
    "eufy-side-brush-g30"
  ],
  "related": [
    "3",
    "2 beeps"
  ],
  "sources": [
    {
      "label_en": "eufy Support — X8/LR20/LR30/L35 series voice alerts and solutions",
      "label_es": "Soporte de eufy — Alertas de voz y soluciones de las series X8/LR20/LR30/L35",
      "url": "https://service.eufy.com/article-description/X8-Series-RoboVac-Voice-Alerts-and-Solution",
      "kind": "official"
    },
    {
      "label_en": "eufy Support — G series voice alerts and quick solutions",
      "label_es": "Soporte de eufy — Alertas de voz y soluciones rápidas de la serie G",
      "url": "https://service.eufy.com/article-description/Voice-Alerts-Quick-Solutions-for-smart-navigation-series-G-series",
      "kind": "official"
    }
  ],
  "confidence": "official",
  "last_verified": "2026-07-06"
}