04 - Control System 17Service Manual – SC250, Scrubtec 334, MA 30
04 - Control System
Functional Description
The (electrical) functions of the machine are controlled
via the handlebar with the 3 buttons on the Main con-
trol board (EB2) and activation of the hand presence
sensors (S1 - S2) inside the grip handles (the position
of these is indicated by the corresponding icons).
The machine is turned on and off by pressing the on/
off push-button
.
When the machine is turned on, the scrub, solution
ow (at level 1) and vacuum functions are activated
automatically.
Brush rotation and the activation of the pump, how-
ever, also require the activation of at least 1 of the 2
hand presence sensors.
The vacuum function can be disabled and re-enabled
via the vacuum system push-button
. The
corresponding green LED provides the operator with
information on the status of the function.
The solution ow can be increased with 2 levels
. The corresponding green LEDs provide the
operator with information on the status of the func-
tion.
The battery charge level is displayed using the 6 green
LEDs inside the battery symbol
.
Main machine
controller (EB1)
Main control
board (EB2)
LH hand presence
sensor (S2)
RH hand presence
sensor (S1)
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