floor scrubber activates the water spray function by pressing the water button, and the display
screen shows the number "1" as a prompt. Pressing the water button again will deactivate the
water spray function, and the display screen will show the number "0" as a prompt.
★ Power xx. xV: Indicates the battery voltage level.
When the voltage falls below the configured battery threshold voltage (21.6V for lead-acid
batteries, 23.5V for lithium batteries), it will display "Low Battery" on the screen and
simultaneously deactivate the dirty water suction motor, brush motor, and drive function.
★ Vacuum: Vacuum function indicator
Press the vacuum button to activate the vacuum function on the floor scrubber, and the display
screen will show the "Vacuum" indicator. Press the vacuum button again to deactivate the
vacuum function, the "Vacuum" indicator will disappear from the screen.