Roomba i and j Series, Combo 10 Max
Roomba i and j Series, Combo 10 Max Error 6: Drop-off or cliff detected
Quick answer
Error six (6) means that Roomba is stuck over an edge, is on a threshold, or is on a dark surface.
Editor: Feroz Sheikh · Updated · How we verify
Exact message and stated cause
| Where it appears | Message | Manufacturer's stated cause |
|---|---|---|
| i Series chart | Drop off detected. Move to a new area, and then press Clean | Constant cliff detected. Check that cliff sensors are clear of debris |
| j Series / Combo 10 Max chart | Drop off detected. Move to a new area, and then press the button | Constant cliff detected. Check that cliff sensors are clear of debris |
Check your model first
These instructions cover Roomba i and j Series, Combo 10 Max (Roomba Combo 10 Max, Roomba i1, Roomba i3, Roomba i4, Roomba i5, Roomba i6, Roomba i7, Roomba i8, 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
- Move Roomba to a new location, and then press CLEAN (the single button on j Series) to restart.
- You may need to use a Virtual Wall or Keep Out Zone (with compatible robots) to block off problem areas.
- If this does not resolve the issue, the cliff sensors may be dirty. Wipe the cliff sensors with a clean, dry microfiber or soft cotton cloth.
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.
- Roomba Combo 10 Max parts
- Roomba i1 parts
- Roomba i3 parts
- Roomba i4 parts
- Roomba i5 parts
- Roomba i6 parts
- Roomba i7 parts
- Roomba i8 parts
- Roomba j5 parts
- Roomba j7 parts
- Roomba j7+ parts
- Roomba j9+ parts
Questions about this error
Which models does this guide cover?
These instructions cover Roomba i and j Series, Combo 10 Max (Roomba Combo 10 Max, Roomba i1, Roomba i3, Roomba i4, Roomba i5, Roomba i6, Roomba i7, Roomba i8, 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
- The Roomba i Series Error Messages Chart
- Roomba j Series and Combo 10 Max Error Messages Chart
- Error 6, Roomba i Series, j Series and Combo 10 Max
This guide summarizes published manufacturer instructions. It does not claim a hands-on repair or physical fit test.