Model Handbook

Roomba i3 not charging

Cause 1 of 3The robot announces a Charging Error and the light ring turns red. Source: Charging Error Chart, p. 1

First checkNote the Charging Error number the robot speaks and follow its entry in the Charging Error list.

Causes and checks

  1. The robot announces a Charging Error and the light ring turns red. Source: Charging Error Chart, p. 1

    1. Note the Charging Error number the robot speaks and follow its entry in the Charging Error list.

  2. The charging contacts on the robot or the dock are dirty; Charging Errors 4, 5, 19, 21, 104, 105, 119 and 121 name this. Source: Charging Error Chart, p. 1

    1. Clean the charging contacts. See Clean the sensors and charging contacts.

  3. The battery is too warm or too cold to charge; Charging Errors 6, 7, 106 and 107 name this. Source: Charging Error Chart, p. 1

    1. Let the robot reach room temperature, then try again.

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. 8

Other i3 / i4 (RVD-Y1) problems

Sources

  1. Roomba i3 / i4 Owner's Guide (EN/FR/ES, en-US edition). iRobot Corporation. Document RVD-Y1, revision Undated download, 13 pages, en. prod-help-content.care.irobotapi.com (PDF). Retrieved 13 November 2026.
  2. The Roomba i Series Error Messages Chart. iRobot Corporation. Document Article 19553, revision Undated web article, 1 pages, en. homesupport.irobot.com. Retrieved 13 November 2026.
  3. 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.
  4. 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.

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

Applies to
i3 (variant RVD-Y1), i4. North America.
Source
Roomba i3 / i4 Owner's Guide (EN/FR/ES, en-US edition), RVD-Y1 revision Undated download; The Roomba i Series Error Messages Chart, Article 19553 revision Undated web article; Charging Error Chart: All Roomba and Braava Models, Article 19598 revision Undated web article; Error 36, Roomba i, j Series and Combo 10 Max, Article 31109 revision Undated web article
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Handbook
iRobot Roomba i3 and i4 robot vacuum in Robot vacuums; all iRobot handbooks