iRobot Roomba Owner's Manual page 28

Maintenance (continued)
EN
Cleaning the front wheel
1. Pull fi rmly on the front wheel to remove it.
2. Remove any debris from inside the
wheel cavity.
3. Remove the wheel from its housing and
wipe clean. Pull fi rmly to remove the axle
and clear any hair wrapped around it.
Cleaning the bin sensors
(Roomba 770 and above only)
Remove the bin and wipe the two optical
bin sensors with a clean, dry cloth.
Cleaning the cliff sensors
1. Simply wipe all six cliff sensor openings
with a clean, dry cloth.
Troubleshooting
Occasionally, something can go wrong.
But don't worry - there's an early warning system.
Roomba will tell you what the problem is.
The troubleshooting light will also blink.
To repeat an error message, just press CLEAN.
A little maintenance goes a long way. To keep your Roomba working perfectly,
it's a good idea to do a little maintenance regularly. In particular, please note
the following:
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Look for the yellow parts – these are designed to be removed and cleaned.
You should empty the bin and clean the brushes after each use, if possible.
Excessive hair build-up could permanently damage your Roomba or
your fl oor, so clean the brush bearings and brush caps regularly.
Roomba 700 Series Owner's Manual
Bin sensors
Cliff sensor openings