Roomba i Series
Roomba i Series Error 26: Insufficient airflow
Quick answer
Error twenty-six (26) means the vacuum is experiencing insufficient airflow.
Editor: Feroz Sheikh · Updated · How we verify
Exact message and stated cause
| Where it appears | Message | Manufacturer's stated cause |
|---|---|---|
| i Series chart | Vacuum problem. See the app for help | Vacuum stall. Filter clog possible |
Check your model first
These instructions cover Roomba i Series (Roomba i1, Roomba i3, Roomba i4, Roomba i5, Roomba i6, Roomba i7, Roomba i8 in this catalog). Match the full model name and the complete message before continuing.
Manufacturer checks in order
- It is recommended that you clean or replace the bin filter.
- Then try to run the robot again.
- If the error persists, reboot the robot by holding the Clean button for about twenty seconds.
- If the error persists after replacing the bin filter and rebooting the robot, the Cleaning Head Module will need to be replaced.
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 you believe you're in warranty, please contact iRobot Customer Care.
Part usually involved
Only if the checks above fail. The manufacturer article, not this site, decides whether a part is needed.
Filter
- e/i/j High-Efficiency filter (4639161) is listed for Roomba i3, Roomba i4, Roomba i5, Roomba i7, Roomba i8, Roomba i1, Roomba i6.
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 i1 parts
- Roomba i3 parts
- Roomba i4 parts
- Roomba i5 parts
- Roomba i6 parts
- Roomba i7 parts
- Roomba i8 parts
Questions about this error
Which models does this guide cover?
These instructions cover Roomba i Series (Roomba i1, Roomba i3, Roomba i4, Roomba i5, Roomba i6, Roomba i7, Roomba i8 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.