Dreame DRE-L20U L20 Ultra Robotic Vacuum and Mop

User Manual - Page 27

For DRE-L20U.

PDF File Manual, 174 pages, Read Online | Download pdf file

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Problem Solution
The robot will not
turn on.
The battery is low. Recharge the robot on the base and try again.
The temperature of the battery is too low or too high. It is recommended to operate the appliance at a temperature
between 32
(0°C) and 104
(40°C).
The robot will not
charge.
The base station is not connected to power, please make sure both ends of its power cord are correctly plugged in.
The contact between the charging contacts on the base station and the robot is poor, please clean the charging
contacts.
Check whether there is any foreign object at the connector of the robot and remove the foreign object if any.
The robot fails to
connect to Wi-Fi.
The Wi-Fi network password is incorrect. Make sure the password used to connect to your Wi-Fi network is correct.
The robot does not support a 5 GHz Wi-Fi connection. Make sure the robot is connected to a 2.4 GHz Wi-Fi connection.
The Wi-Fi signal is weak. Make sure the robot is in an area with good Wi-Fi coverage.
The robot may not be ready to be configured. Please exit and re-enter the app, and then try again as instructed.
The robot cannot
find and return to
the base station.
The base station is disconnected from power or moved when the robot is not on it. Please connect the base station to
the power supply or place the robot onto the base station to charge.
There are too many obstructions around the base station. Place the base station in a more open area.
Moving the robot may cause it to re-position itself, and it will recreate a map if re-positioning fails. If the robot is too far
from the base station, it might not be able to automatically return on its own, in which case you will need to manually
place the robot onto the base station.
Wipe the signaling area on the base station to remove dust or debris.
The robot gets
stuck in front of the
base station and
cannot return to it.
Clear any obstruction within 5 cm on the left and right sides or within 1.5 m in front of the base station to prevent the
robot from being blocked.
The route for returning to charge is blocked, e.g. the door is closed.
The robot may slip if the floor in front of the base station is overly wet. If so, clean the excess water before trying again.
It is recommended to move the base station to a dierent place and try again.
Troubleshooting
Problem Solution
The robot will not
turn o.
The robot cannot be turned o when it is charging. It is recommended to move the robot from the base station, and
then press and hold the button for 3 seconds to turn it o.
If the robot cannot be turned o by performing step 1, press and hold the button for 10 seconds to forcibly turn o
the robot. If the problem persists, please contact after-sales service.
The charging speed
is slow.
It takes about 4.5 hours to fully charge the robot when its battery is low.
If you operate the robot at temperatures outside of the specified range, the charging speed will automatically slow
down to extend the battery life.
The charging contacts on both the robot and the base may be dirty, please wipe them with a dry cloth.
The noise increases
while the robot is
operating.
Check whether the dust box filter is clogged. If so, clean it or replace it.
A hard object may be caught in the main brush or the dust box. Check and remove any hard object.
The main brush or the side brush may become tangled. Check and remove any foreign objects.
Switch the suction mode to Standard or Quiet.
The robot moves
without following
the set route.
Objects such as power cords and slippers should be organized before using the robot.
Working on wet slippery surfaces may cause the main wheel to slip. It is recommended to dry any wet areas before
using the robot.
Wipe the line laser sensors and the AI visual sensor on the robot with a clean, soft, and dry cloth to keep them clean
and unobstructed.
The robot misses
the rooms to be
cleaned.
Make sure that the doors of the rooms to be cleaned are open.
Check whether there is a threshold higher than 2 cm at the door of the room. The robot cannot climb over high
thresholds or steps.
The place in front of the room to be cleaned may be wet and slippery, causing the robot to slip and work abnormally.
Please try drying the floor before using the robot.
Troubleshooting
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