Dreame D9 Manual Del Usuario página 18

Routine Maintenance
Note: Please use dry dishcloth for cleaning, as the robot and inner charging dock include
sensitive elements. Do not use wet dishcloth to prevent damage caused by water.
Clean the LDS Sensor / Returning to Charge Sensor/Edge Sensor
Clean the Cliff Sensor
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Clean the Charging Contact
Robot Restarting
If the robot stops responding or cannot be turned off, press and hold down the
button for 6 seconds to forcefully turn it off. Then press and hold the button
for 3 seconds to turn the robot on.
Battery
The robot contains a high-performance lithium-ion battery pack. Please ensure
that it remains well-charged during daily use to maintain optimal battery
performance. If the robot is not used for an extended period, turn it off and
put it away. To prevent damage from over-discharging, the robot should be
recharged at least once every three months.