iRobot j7 (RVE-Y1) error 33

The robot cannot complete cleaning and has cancelled its cleaning job.

Cause 1 of 6The environment changed during the job, for example a door closed or furniture moved. Source: Error 33, p. 1

First checkCheck that nothing in the room changed during the cleaning cycle.

Causes and checks

The environment changed during the job, for example a door closed or furniture moved. Source: Error 33, p. 1
1. Check that nothing in the room changed during the cleaning cycle.
The robot drove over a transition such as a doorway threshold that it cannot cross again to leave the area. Source: Error 33, p. 1
1. Check the transitions between the rooms the robot cleaned.
The room is too dark; an extremely dark room can obscure the iAdapt localization camera. Source: Error 33, p. 1
1. Make sure the house has daylight or dim lighting for the robot to navigate.
Clutter in the room. Source: Error 33, p. 1
1. Clear cluttered areas.
The camera window has dust or debris on it. Source: Error 33, p. 1
1. Wipe the clear window on the top surface with a microfiber or soft cotton cloth lightly dampened with water or screen cleaning solution.
The message persists after these checks. Source: Error 33, p. 1
1. Reboot the robot. See Reboot the robot.
iRobot Customer Care If the message persists after the reboot, contact iRobot Customer Care. Contact: (877) 855-8593 or global.irobot.com.

Service

If the checks above do not clear it, contact iRobot Customer Care: (877) 855-8593, global.irobot.com. USA & Canada. Source: Care and Maintenance: iRobot Customer Care, p. 7

Other j7 (RVE-Y1) codes

Red light ring: The robot has an error.
Red light ring sweeping to the rear: The robot senses that its bin needs emptying.
Red light ring with 'Low battery. Please charge.': The battery is low.
White spiral on the light ring: The robot is charging.
Light ring pulsing white at the rear: The robot is fully charged.
Blue light ring pattern: The robot is looking for its charging station.
Flashing blue light ring: The robot is in Dirt Detect mode over an especially dirty area.
White swirl on the light ring: The robot is rebooting.
Error 2: The multi-surface rubber brushes cannot turn.
Error 5: The right wheel cannot turn.
Error 13: The robot is on an obstacle or an uneven surface and a side wheel is stuck.
Error 15: The robot had an internal error and took care of it; no troubleshooting is needed unless it happens on every cleaning job.
Error 24: The robot is on an obstacle or an uneven surface and its wheels are spinning without moving it.
Error 27: The vacuum is not working because not enough air is passing through to the bin; debris may block the vacuum motor or filter.
Error 36: The sensors on the robot were not cleared when the robot evacuated debris into the dock; the light ring may also sweep red toward the rear.
Error 46: The battery is low and needs to charge.
Error 68: The robot is not receiving data from its camera, so it cannot navigate; it will not start a new job and interrupts a job in progress.
Charging Error 1: The robot does not detect a battery.
Charging Error 2: A charge fault was detected.
Charging Error 3: A charge fault was detected.
Charging Error 4 and 5: A low current fault was detected with the dock or the robot.
Charging Error 6 and 7: The battery is too warm or too cold for charging.
Charging Error 8: The robot cannot communicate with its battery.
Charging Error 9: A battery failure was detected.
Charging Error 11: A battery failure was detected.
Charging Error 17: The battery may not be an authentic iRobot battery.
Charging Error 19: Charging timed out.
Charging Error 20: The battery has a fault or is not ready to charge.
Charging Error 21: The robot docked but was unable to charge.
Charging Error 101: The robot does not detect a battery.
Charging Error 102: A charge fault was detected.
Charging Error 103: A charge fault was detected.
Charging Error 104: No electrical current was detected with the dock or the robot.
Charging Error 105: A low electrical current was detected with the dock or the robot.
Charging Error 106: The battery is too warm for charging.
Charging Error 107: The battery is too cold for charging.
Charging Error 109: A battery failure was detected.
Charging Error 110: The battery cells are imbalanced.
Charging Error 111: A battery failure was detected.
Charging Error 114: The battery has an internal failure.
Charging Error 115: A battery cell failed during charging.
Charging Error 117: The battery may not be an authentic iRobot battery.
Charging Error 119: Charging timed out.
Charging Error 120: The battery has a fault or is not ready to charge.
Charging Error 121: The robot docked but was unable to charge.

Sources

j7 Owner's Guide (EN/FR/ES, online-only North America edition). iRobot Corporation. Document RVE-Y1, ADI-N1, revision Undated download (2022 copyright), 40 pages, en. prod-help-content.care.irobotapi.com (PDF). Retrieved 13 November 2026.
Error 2, Roomba j Series and Combo 10 Max. iRobot Corporation. Document Article 31156, revision Undated web article, 1 pages, en. homesupport.irobot.com. Retrieved 13 November 2026.
Error 5, Roomba j Series and Combo 10 Max. iRobot Corporation. Document Article 31116, revision Undated web article, 1 pages, en. homesupport.irobot.com. Retrieved 13 November 2026.
Error 13, Roomba j Series and Combo 10 Max. iRobot Corporation. Document Article 31093, revision Undated web article, 1 pages, en. homesupport.irobot.com. Retrieved 13 November 2026.
Error 15, Roomba j Series and Combo 10 Max. iRobot Corporation. Document Article 31124, revision Undated web article, 1 pages, en. homesupport.irobot.com. Retrieved 13 November 2026.
Roomba j Series: Error 24. iRobot Corporation. Document Article 31072, revision Undated web article, 1 pages, en. homesupport.irobot.com. Retrieved 13 November 2026.
Error 27, Roomba j Series and Combo 10 Max. iRobot Corporation. Document Article 31120, revision Undated web article, 1 pages, en. homesupport.irobot.com. Retrieved 13 November 2026.
Error 33, Roomba j Series and Combo 10 Max. iRobot Corporation. Document Article 31074, revision Undated web article, 1 pages, en. homesupport.irobot.com. Retrieved 13 November 2026.
Error 36, Roomba i, j Series and Combo 10 Max. iRobot Corporation. Document Article 31109, revision Undated web article, 1 pages, en. homesupport.irobot.com. Retrieved 13 November 2026.
Error 46, Roomba j Series and Combo 10 Max. iRobot Corporation. Document Article 31121, revision Undated web article, 1 pages, en. homesupport.irobot.com. Retrieved 13 November 2026.
Error 68, Roomba j Series and Combo 10 Max. iRobot Corporation. Document Article 26165, revision Undated web article, 1 pages, en. homesupport.irobot.com. Retrieved 13 November 2026.
Charging Error Chart: All Roomba and Braava Models. iRobot Corporation. Document Article 19598, revision Undated web article, 1 pages, en. homesupport.irobot.com. Retrieved 13 November 2026.

Page numbers are the numbers printed in the manual. Where this page and the manual differ, follow the manual.

Applies to: j7 (variants RVE-Y1; ADI-N1). North America.
Source: j7 Owner's Guide (EN/FR/ES, online-only North America edition), RVE-Y1, ADI-N1 revision Undated download (2022 copyright); Error 2, Roomba j Series and Combo 10 Max, Article 31156 revision Undated web article; Error 5, Roomba j Series and Combo 10 Max, Article 31116 revision Undated web article; Error 13, Roomba j Series and Combo 10 Max, Article 31093 revision Undated web article; Error 15, Roomba j Series and Combo 10 Max, Article 31124 revision Undated web article; Roomba j Series: Error 24, Article 31072 revision Undated web article; Error 27, Roomba j Series and Combo 10 Max, Article 31120 revision Undated web article; Error 33, Roomba j Series and Combo 10 Max, Article 31074 revision Undated web article; Error 36, Roomba i, j Series and Combo 10 Max, Article 31109 revision Undated web article; Error 46, Roomba j Series and Combo 10 Max, Article 31121 revision Undated web article; Error 68, Roomba j Series and Combo 10 Max, Article 26165 revision Undated web article; Charging Error Chart: All Roomba and Braava Models, Article 19598 revision Undated web article
Last verified: 13 November 2026
Handbook: iRobot Roomba j7 robot vacuum in Robot vacuums; all iRobot handbooks