121Service Manual – SC401, SCRUBTEC 344
24 - Electrical System (Cord)
Functional Description
The machine electrical system is composed of the following components:
• Power supply cable with dedicated mains plug.
• Main switch (SW1): turns the machine on and off.
• Main machine controller (EB1): receives the commands from the User interface controller (EB2) and
powers directly all the machine services.
• User interface controller (EB2): it is responsible for the user interface, as it contains all control
buttons and the indicator LEDs, and is connected to the two Operator presence sensors (S1, S2) on the
handlebars. All information from and for the user is exchanged with the Machine main controller (EB1)
via I2C protocol.
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