Roborock S4 CE - Manual (Page 28)

FAQs
025
Problem Solution
Unable to power on
Ba tt ery level may be too low. Charge the robot and retry. Ba tt ery temperature may be too low or
too high. Try again when the ba tt ery is between 0°C (32°F) to 40°C (104°F).
Unable to charge
If the charging dock is not receiving power, check that both ends of the power cable are
properly connected. If contact is poor, clean the contact areas of the charging dock and
the robot. Power is restored when the power indicator light turns on.
Slow charging
If the robot is being used in a very hot or very cold environment, it will reduce its charging
speed to extend its ba tt ery life. The charging contact points also may be dirty. If that is the
case, clean them using a dry cloth.
Unable to recharge
The robot is too far from the charging dock. Place it closer.
There are too many obstacles near the charging dock. Please place it in an open area.
Abnormal behavior Restart the robot.
Noise during cleaning The main brush, side brush or main wheel may be jammed. Turn o ff the robot and clean them.
Poor cleaning ability or dust falling out
If the dustbin is full, empty it. If the filter is blocked, wash it. If the main brush is tangled up,
clean it.