{
  "$schema": "robofaults-fault-record/v0",
  "kind": "error",
  "brand": "roomba",
  "page_en": "https://robofaults.com/roomba/error-6/",
  "page_es": "https://robofaults.com/es/roomba/error-6/",
  "code": "6",
  "slug": "error-6",
  "device_type": "vacuum",
  "name_en": "Cliff sensor problem",
  "name_es": "Problema de sensores de desnivel",
  "badge": "ERR 6",
  "severity": "warn",
  "severity_note_en": "robot refuses to move until it trusts the floor again",
  "severity_note_es": "el robot no se mueve hasta volver a fiarse del suelo",
  "series": [
    "600",
    "e",
    "i",
    "j",
    "s"
  ],
  "tools_en": "melamine foam or a dry cloth",
  "tools_es": "esponja de melamina o un paño seco",
  "time_min": 5,
  "difficulty": "easy",
  "safety": "none",
  "safety_note_en": "",
  "safety_note_es": "",
  "meaning_en": "Error 6 means the <b>cliff sensors think the robot is at a drop-off</b>. It's stuck at a real edge, the sensors are dusty, or a dark floor reads as a cliff. Wipe the sensors and move the robot.",
  "meaning_es": "El error 6 significa que los <b>sensores de desnivel creen que el robot está al borde de una caída</b>. O está de verdad atascado en un borde, o los sensores tienen polvo, o un suelo oscuro se interpreta como un desnivel. Limpia los sensores y mueve el robot.",
  "causes": [
    {
      "title_en": "Dusty cliff sensors",
      "title_es": "Sensores de desnivel sucios",
      "detail_en": "A film of dust over the sensor windows blinds them, so every surface looks like a drop.",
      "detail_es": "Una capa de polvo sobre las ventanas del sensor los ciega, y cualquier superficie parece una caída.",
      "likelihood": "most_common"
    },
    {
      "title_en": "Robot hanging at a real edge",
      "title_es": "Robot al borde de un desnivel real",
      "detail_en": "It stopped half over a stair nose or a sunken floor transition and can't back away.",
      "detail_es": "Se detuvo medio asomado a un escalón o a un cambio de nivel y no puede retroceder.",
      "likelihood": "common"
    },
    {
      "title_en": "Dark or black flooring",
      "title_es": "Suelo oscuro o negro",
      "detail_en": "Very dark carpet or tile absorbs the sensor beam, which the robot reads as a cliff.",
      "detail_es": "Las alfombras o baldosas muy oscuras absorben el haz del sensor, y el robot lo interpreta como un desnivel.",
      "likelihood": "common"
    }
  ],
  "steps": [
    {
      "title_en": "Move the robot and restart",
      "title_es": "Mueve el robot y reinicia",
      "detail_en": "Carry it to open floor away from stairs and press CLEAN.",
      "detail_es": "Llévalo a una zona despejada lejos de escaleras y pulsa CLEAN."
    },
    {
      "title_en": "Wipe the cliff sensors",
      "title_es": "Limpia los sensores de desnivel",
      "detail_en": "Turn the robot over and wipe all sensor windows along the front underside with lightly dampened melamine foam. Let them dry.",
      "detail_es": "Dale la vuelta y limpia todas las ventanas de sensor del borde delantero con una esponja de melamina ligeramente humedecida. Deja que sequen."
    },
    {
      "title_en": "Keep it off problem surfaces",
      "title_es": "Evita las superficies problemáticas",
      "detail_en": "If a dark rug triggers the error every pass, block it with a Virtual Wall or a keep-out zone rather than fighting physics.",
      "detail_es": "Si una alfombra oscura provoca el error en cada pasada, bloquéala con un Virtual Wall o una zona restringida en vez de pelear contra la física."
    }
  ],
  "parts": [
    "roomba-dual-mode-virtual-wall"
  ],
  "related": [
    "9",
    "16",
    "88"
  ],
  "sources": [
    {
      "label_en": "iRobot Support — Error 6, Roomba 500-900 and e Series",
      "label_es": "Soporte de iRobot — Error 6, Roomba 500-900 y serie e",
      "url": "https://homesupport.irobot.com/s/article/8960",
      "kind": "official"
    },
    {
      "label_en": "iRobot Support — i Series, Error 6",
      "label_es": "Soporte de iRobot — Serie i, error 6",
      "url": "https://homesupport.irobot.com/s/article/2404",
      "kind": "official"
    }
  ],
  "confidence": "official",
  "last_verified": "2026-07-05"
}