EN
Cliff sensor
TOF sensor
Sensors (clean every month)
LDS laser range-
finder
Anti-collision sensor
for radar sensor
Anti-collision
sensor
Infra-red
charging sensor
COMMON PROBLEMS
Problem
The robot cannot be
started
The robot cannot be
charged
The robot cannot be
recharged
Abnormal behaviour
86
Charging
contact
• If the battery is low, place the robot in the docking station and align it with the
board contacts, the appliance will start automatically (if the robot is completely off,
it can start automatically after a while).
• Do not use the appliance if the ambient temperature is below 0 °C or above 50 °C.
Use at 0-40 °C.
• Move the robot off the station, make sure the docking station indicator light turns
on, and make sure both ends of the docking station power adapter are properly
connected.
• In case of poor contact, clean the docking station contact points and charging
contacts on the robot or turn the side brush to the side.
The robot is too far from the docking station, place it near the docking station and try
again.
Turn off the robot and restart it.
Battery
• The appliance is equipped with high-performance
lithium-ion
batteries.
performance, keep the appliance charged every day.
• If the appliance is not used for a long time, turn it off
and store it properly. Charge it at least every 3 months
to prevent damage to the batteries due to excessive
discharge.
Firmware update
Use the mobile app to update the firmware. If new
firmware is detected, update as prompted. When
updating the firmware, the battery level should be ≥50 %
and the appliance must be placed in the docking station.
Docking station
• Regularly check the bag in the docking station. If the
bag is full, replace it with a new one.
• Clean the charging contacts and the suction opening.
• Remove the coarse filter of the docking station
and rinse it with water. Allow it to dry properly and
reinstall it.
Remedy
To
maintain
battery
VR3520