iRobot Cleaning System Owner's Manual page 23

Check Tank Troubleshooting
Normally, Scooba's "Check Tank" light
illuminates when Scooba's Clean tank is
empty or the Dirty tank is full. If the Check
Tank is lit and this is not the case, follow
these steps to troubleshoot the issue.
Inspect and clean Scooba's solution
1
valve with a damp cloth.
Solution
Valve
Fill Scooba's Clean tank with approximately 1 cup of cold water, shake vigorously, and
3
empty it to remove any debris in the tank. Refill Scooba's Clean tank with water and Scooba
cleaning solution or vinegar.
If the battery's tabs are not inside the guide holes in the battery pocket, the
tank and robot base may not be properly connected.
Eject
Brush
Confirm that the battery, filter, and
2
vacuum port are properly installed, and
that the tank is completely closed.
Filter
Battery
www.irobot.com
Vacuum
Port
23