ECOVACS DEEBOT Y1 Manuel D'instructions page 22

3.4 Maintain Other Parts
Bumper
TrueMapping Distance Sensor
Note: Wipe the components with a clean, dry cloth. Avoid using
cleaning sprays or detergents.
EN∣22
Anti-drop Sensor
Charging Contacts
Wheels
Note: Do not clean Charging Contacts with wet cloths.