{
  "$schema": "robofaults-fault-record/v0",
  "kind": "error",
  "brand": "roomba",
  "page_en": "https://robofaults.com/roomba/error-66/",
  "page_es": "https://robofaults.com/es/roomba/error-66/",
  "code": "66",
  "slug": "error-66",
  "device_type": "vacuum",
  "name_en": "Out of map memory",
  "name_es": "Memoria de mapas agotada",
  "badge": "ERR 66",
  "severity": "warn",
  "severity_note_en": "mission aborted; the robot docks and reboots itself",
  "severity_note_es": "misión abortada; el robot vuelve a la base y se reinicia solo",
  "series": [
    "i",
    "j",
    "s"
  ],
  "tools_en": "iRobot HOME app",
  "tools_es": "app iRobot HOME",
  "time_min": 10,
  "difficulty": "easy",
  "safety": "none",
  "safety_note_en": "",
  "safety_note_es": "",
  "meaning_en": "Error 66 means the robot <b>ran out of memory mid-mission</b>, usually while mapping a large space. It heads back to the dock and reboots itself. Delete unused maps and map big homes in sections.",
  "meaning_es": "El error 66 significa que el robot <b>se quedó sin memoria a mitad de misión</b>, normalmente mientras mapeaba un espacio grande. Vuelve a la base y se reinicia solo. Borra los mapas que no uses y mapea las casas grandes por secciones.",
  "causes": [
    {
      "title_en": "Space too large to map in one pass",
      "title_es": "Espacio demasiado grande para mapear de una vez",
      "detail_en": "The robot keeps adding map data as it explores until memory runs dry.",
      "detail_es": "El robot va añadiendo datos de mapa mientras explora hasta agotar la memoria.",
      "likelihood": "most_common"
    },
    {
      "title_en": "Old maps hogging memory",
      "title_es": "Mapas antiguos ocupando memoria",
      "detail_en": "Several stored Smart Maps leave little room for the active mission.",
      "detail_es": "Varios Smart Maps almacenados dejan poco espacio para la misión en curso.",
      "likelihood": "common"
    },
    {
      "title_en": "Robot not provisioned to the app",
      "title_es": "Robot sin vincular a la app",
      "detail_en": "An unprovisioned robot can't manage its map storage properly.",
      "detail_es": "Un robot sin vincular no puede gestionar bien su almacenamiento de mapas.",
      "likelihood": "uncommon"
    }
  ],
  "steps": [
    {
      "title_en": "Connect the robot to the app",
      "title_es": "Vincula el robot a la app",
      "detail_en": "Make sure it's provisioned to the iRobot HOME app before starting cleaning jobs.",
      "detail_es": "Asegúrate de que está vinculado a la app iRobot HOME antes de lanzar limpiezas."
    },
    {
      "title_en": "Delete unused maps",
      "title_es": "Borra los mapas sin uso",
      "detail_en": "Every stored map you remove frees memory for the active one.",
      "detail_es": "Cada mapa almacenado que elimines libera memoria para el activo."
    },
    {
      "title_en": "Map in sections",
      "title_es": "Mapea por secciones",
      "detail_en": "For very large homes, create Smart Maps of smaller areas instead of one giant map.",
      "detail_es": "En casas muy grandes, crea Smart Maps de zonas más pequeñas en lugar de un único mapa gigante."
    }
  ],
  "parts": [],
  "related": [
    "32",
    "74"
  ],
  "sources": [
    {
      "label_en": "iRobot Support — Error 66, all Roomba models",
      "label_es": "Soporte de iRobot — Error 66, todos los modelos Roomba",
      "url": "https://homesupport.irobot.com/s/article/26164",
      "kind": "official"
    }
  ],
  "confidence": "official",
  "last_verified": "2026-07-05"
}