ECOVACS DEEBOT D77 Instruction Manual - 5. Common Malfunctions
The robot gets into trouble while
working and stops.
The robot is tangled with something
on the floor (electrical cords, drooping
curtains, carpet fringe etc).
The robot will try various ways to
get itself out of trouble. If it is
unsuccessful, manually remove
the obstacles.
Robot will not charge
5. Common Malfunctions
Malfunction
Possible Causes
Solutions
The robot goes around in circles
and turns back after starting up.
The robot does not work
according to set mode and side
brushes do not rotate.
The robot cleans for a short time.
The robot’s moving speed slows
down and/or begins to work in
a spiral pattern.
Power switch on the bottom of the
robot is not turned ON.
There robot has not made a connection
with the charging dock.
Charging dock is powered OFF while
the robot power switch is ON, which
causes battery consumption.
The battery is completely discharged.
Drop sensors on the bottom of the
robot are covered with dust.
Driving wheels are tangled with
foreign matter.
The robot may not be able to detect
objects properly.
The battery is low, so the robot
automatically returns to charge, and
side brushes stop rotating.
Working time varies according to floor
surface and room complexity. For
example, a carpeted surface will use
more battery than a hard floor surface.
The battery is completely discharged.
When the robot detects a large amount
of dust, it will automatically slow down
and/or work in a spiral route to clean
more effectively.
Dust sensors are dirty.
Turn ON the power switch on the
bottom of the robot.
Be sure that the robot has made
a connection with the electrodes
on the charging dock. You may
move the robot manually to make
the connection if necessary.
Turn charging dock power ON.
Re-activate the battery. Please
refer to “Assemble and Charge” in
section 3.1.
Use a soft cloth to wipe drop
sensors.
Clean foreign matter from driving
wheels.
Please contact Customer Service
at 1-888-966-0895 for more
information.
Fully charge the robot, and adjust
it to automatic cleaning mode,
then start.
This is normal.
No solution necessary.
Re-activate the battery. Please
refer to “Assemble and Charge” in
section 3.1.
This is normal.
No solution necessary.
Wipe dust sensors with a soft dry
cloth.
The robot cannot detect stairs or
a drop off of more than 3 inches
when working.
Drop sensors are dirty.
The floor is too shiny for the drop
sensors to function.
Drop sensor malfunction.
Wipe drop sensors with a soft dry
cloth.
Place protective barriers to keep
the robot from falling.
Please contact Customer Service
at 1-888-966-0895.
When the robot is working, side
brushes do not rotate.
Side brush is tangled with hair or
foreign matter.
Side brushes are not correctly installed.
The plastic piece of the side brush
retaining screw is broken or stripped.
Clean side brushes.
Reinstall side brushes making sure
slot color is matched with the
corresponding brush.
Replace side brushes.
If cleaning or replacing the sides
brushes does not correct the problem,
the brush motor may need repair.
Please contact Customer Service
at 1-888-966-0895.
Common Malfunctions
EN