Roomba j Series and Combo 10 Max
Roomba j Series and Combo 10 Max Error 9: Bumper stuck
Quick answer
Error nine (9) means your robot's Bumper is stuck and is not moving freely.
Editor: Feroz Sheikh · Updated · How we verify
Exact message and stated cause
| Where it appears | Message | Manufacturer's stated cause |
|---|---|---|
| j Series / Combo 10 Max chart | Tap the bumper to unstick, then press the button | Constant bump. Bumper is jammed with debris or dislodged |
Check your model first
These instructions cover Roomba j Series and Combo 10 Max (Roomba Combo 10 Max, Roomba j5, Roomba j7, Roomba j7+, Roomba j9+ in this catalog). Match the full model name and the complete message before continuing.
Manufacturer checks in order
- Briskly tap the Bumper several times to dislodge any debris that may be trapped underneath, and then press the button to restart.
- The bumper may have become stuck during shipping. Gently pull on the front of the bumper, in the region of the camera, to unstick it.
- If the bumper became dislodged during cleaning, align it properly back into the robot (iRobot links a separate dislodged-bumper guide).
Safety notes
Use the instructions for your exact robot and dock. Stop if the unit is wet, unusually hot, damaged or has a swollen battery. Contact the manufacturer; do not bypass sensors or open sealed electrical assemblies.
When to contact support
If the message persists, please contact iRobot Customer Care.
Before buying a part
No. An error code does not prove a part has failed or that a seller's replacement fits. Check the exact manufacturer identifier separately.
Questions about this error
Which models does this guide cover?
These instructions cover Roomba j Series and Combo 10 Max (Roomba Combo 10 Max, Roomba j5, Roomba j7, Roomba j7+, Roomba j9+ in this catalog). Match the full model name and the complete message before continuing.
Does this error prove I need to buy a replacement part?
No. An error code does not prove a part has failed or that a seller's replacement fits. Check the exact manufacturer identifier separately.
Official sources
This guide summarizes published manufacturer instructions. It does not claim a hands-on repair or physical fit test.