iRobot Roomba Combo Owner's Manual page 31

Troubleshooting your dock
Your dock will tell you if something is wrong via the LED indicators on the top of
the dock. If the dock is not performing as expected, check the iRobot Home app
EN
for errors.
Clean Tank LED indicator
Solid red: clean tank empty, missing, or improperly installed
1
Fill the tank if it is empty with water or compatible cleaning solution.
2
Make sure the tank is installed properly.
Dirty Tank LED indicator
Solid red: dirty tank full, missing, or improperly installed
1
Empty the tank if it is full.
2
Make sure the tank is installed properly.
Dirt Disposal LED indicator
Solid red: bag full, missing, or improperly installed; debris drawer
improperly installed
1
Replace bag if it is full or missing.
2
Make sure the bag is securely inserted and debris drawer is installed
properly.
30 For more information, visit global.irobot.com
Dirt Disposal LED indicator (continued)
Flashing red: clog in the dock evacuation path
1
With your robot on the dock, hold the Clean button down for 2-5 seconds or
use the iRobot Home App to manually empty the bin
Proceed to step 2 if the error is not resolved.
2
Remove the bin from your robot. Clear any debris from the bin and Debris
Evacuation Port. Reinstall the bin.
Push down the Debris Evacuation Port on the dock, and ensure there are no
obstructions in the path. Remove any visible debris.
Repeat step 1. Proceed to step 3 if the error is not resolved.