Bissell SMARTCLEAN 1974 Series User Manual page 18

LED Error Code
Display on screen Possible cause
The wheel is stuck.
The top cover or dust
bin is not installed
properly.
The bumper is stuck.
The unit was lifted up
from the floor.
The color of the floor
is too dark
The battery is not
installed properly.
Charging error.
(Power switch is off)
LED Display
Display on screen Indication
Charging mode: Battery is fully charged.
(Power LED Green On)
Battery Low: Battery needs to be charged.
(Power LED Red On)
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18
(power LED fl ashes red)
Solution
Remove vacuum from obstacles, and
restart the power switch.
Install the top cover and dust bin properly.
The unit will detect the error and fix
automatically. If the unit does not fix
automatically, turn the unit off and back on.
Remove vacuum from obstacles. The unit
will detect the error and fix automatically.
Put vacuum back on the floor.
Remove robot from the flooring. Use virtual
wall to keep the robot off of the flooring.
To install the battery properly, please
refer to page 5 for battery installation,
and turn on the power switch after
installation is complete