| Red light ring | The robot has an error. |
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| Red light ring sweeping to the rear | The robot senses that its bin needs emptying. |
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| Red light ring with 'Low battery. Please charge.' | The battery is low. |
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| Solid white light ring | The robot is fully charged. |
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| Pulsing white light ring | The robot is charging. |
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| Pulsing red light ring | The robot is charging with a low battery. |
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| Blue light ring pattern | The robot is looking for its Home Base. |
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| Flashing blue light ring | The robot is in Dirt Detect mode over an especially dirty area. |
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| Blue spiral on the light ring | The robot is spot cleaning. |
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| Error 1 | The left wheel is hanging down or the robot is stuck. |
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| Error 2 | The multi-surface rubber brushes cannot spin. |
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| Error 3 | The right wheel is hanging down or the robot is stuck. |
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| Error 4 | The left wheel is stalled and jammed. |
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| Error 5 | The right wheel is stalled and jammed. |
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| Error 6 | A cliff is detected constantly. |
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| Error 7 | The left wheel is on the ground and the robot cannot sense it. |
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| Error 8 | The vacuum has poor suction. |
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| Error 9 | The bumper is constantly pressed: jammed with debris or dislodged. |
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| Error 10 | The right wheel is on the ground and the robot cannot sense it. |
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| Error 11 | The vacuum motor is not activating. |
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| Error 12 | The cliff sensors report a drop off. |
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| Error 13 | Both wheels are on an uneven surface. |
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| Error 14 | The bin is not present in the robot. |
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| Error 15 | The robot has an internal board error. |
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| Error 16 | The robot bumped something at the start; the bumper may be dislodged. |
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| Error 17 | The robot entered an unknown area, got lost while cleaning and could not return to the Home Base. |
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| Error 18 | Cleaning is complete but the robot could not dock onto the Home Base. |
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| Error 19 | The robot failed to undock and may have bumped something near the Home Base. |
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| Error 21 | The robot lost communication with its mobility board. |
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| Error 22 | The chart lists the robot's environment as the cause. |
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| Error 23 | The battery failed authentication; the battery may not be an authentic iRobot battery. |
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| Error 24 | The chart lists the robot's environment as the cause. |
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| Error 25 | The robot has an internal board error. |
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| Error 26 | The vacuum stalled; a filter clog is possible. |
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| Error 27 | The vacuum motor is over temperature because of a clogged filter or a bad impeller. |
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| Error 29 | An error occurred while upgrading the software. |
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| Error 30 | The vacuum failed to start. |
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| Error 32 | The Smart Map version on the robot does not match the map saved in the app. |
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| Error 33 | The robot cannot clean the path detailed in the Smart Map; the path may be blocked. |
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| Error 34 | The robot has an internal communications error. |
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| Error 36 | The bin full sensor was not cleared when debris was evacuated. |
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| Error 38 | The robot has a power communications issue. |
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| Error 39 | The robot has a power communications issue. |
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| Error 40 | The robot is stuck in a Virtual Wall beam. |
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| Error 41 | The mission timed out before completion. |
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| Error 42 | The robot failed to re-localize during direct cleaning. |
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| Error 43 | The robot started in the Home Base IR halo off the Home Base. |
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| Error 46 | The robot ended its mission with a low battery while off the dock. |
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| Error 47 | The robot calibration is invalid. |
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| Error 48 | The robot calibration is invalid. |
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| Error 66 | The memory limit is reached. |
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| Error 74 | The area limit was reached. |
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| Error 75 | The robot is stuck around obstacles. |
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| Error 76 | The robot has an internal communication error. |
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| Error 88 | The robot has determined it can no longer safely back up. |
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| Error 89 | The robot has been running a mission for too long. |
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| Error 99 | The robot could not orient itself from known landmarks, could not complete cleaning and canceled the cleaning job. |
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| Error 1003 | The robot has an internal communication error. |
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| Error 1010 | The robot cannot make a path back to the dock. |
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| Charging Error 1 | The robot does not detect a battery. |
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| Charging Error 2 | A charge fault was detected. |
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| Charging Error 3 | A charge fault was detected. |
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| Charging Error 4 and 5 | A low current fault was detected with the dock or the robot. |
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| Charging Error 6 and 7 | The battery is too warm or too cold for charging. |
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| Charging Error 8 | The robot cannot communicate with its battery. |
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| Charging Error 9 | A battery failure was detected. |
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| Charging Error 11 | A battery failure was detected. |
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| Charging Error 17 | The battery may not be an authentic iRobot battery. |
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| Charging Error 19 | Charging timed out. |
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| Charging Error 20 | The battery has a fault or is not ready to charge. |
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| Charging Error 21 | The robot docked but was unable to charge. |
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| Charging Error 101 | The robot does not detect a battery. |
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| Charging Error 102 | A charge fault was detected. |
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| Charging Error 103 | A charge fault was detected. |
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| Charging Error 104 | No electrical current was detected with the dock or the robot. |
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| Charging Error 105 | A low electrical current was detected with the dock or the robot. |
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| Charging Error 106 | The battery is too warm for charging. |
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| Charging Error 107 | The battery is too cold for charging. |
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| Charging Error 109 | A battery failure was detected. |
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| Charging Error 110 | The battery cells are imbalanced. |
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| Charging Error 111 | A battery failure was detected. |
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| Charging Error 114 | The battery has an internal failure. |
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| Charging Error 115 | A battery cell failed during charging. |
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| Charging Error 117 | The battery may not be an authentic iRobot battery. |
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| Charging Error 119 | Charging timed out. |
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| Charging Error 120 | The battery has a fault or is not ready to charge. |
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| Charging Error 121 | The robot docked but was unable to charge. |
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