Nilfisk SC370 43B Wartungshandbuch Seite 22

Service Manual- SC370
Pin# Color
1 WHITE
2 BLUE
Figure 2. Connectors on Control Board (EB2)
Pin# Color
1
2 BLACK
3
4 BLACK
5 White
6
7 Yellow
8
9 Brown
10 Green
Dashboard (EB1) J2 Connector
Function
Start (Safety switch
signal)
GND
J3
Control Board (EB2) J1 Connector
Function
RED +24V
GND
RED Charge Signal
Brush Release
Brush PWM
Blue Vacuum PWM
Water (Solution flow
adjustment)
Gray Brush Current Output
Vacuum Current Output
Main Relay
Condition
Safety switch pressed
Safety switch released
J1
Condition
When charging
Not charging
Brush release on
Brush release off
Brush motor in normal mode
Brush motor in ECO mode
Brush motor off
Vacuum motor in normal mode
Vacuum motor in ECO mode
Vacuum motor off
Solenoid valve on
Solenoid valve off
Brush motor in normal mode
Brush motor in ECO mode
Brush motor off
Vacuum motor in normal mode
Vacuum motor in ECO mode
Vacuum motor off
Machine on
Machine off
04 Control system 21
Value
≈4.6V
J2
Value
4.9V
0.5V
5.8V
5.0V
3.9V
5.0V
4.0V
3.3V
0.7V
0.5V
1.7V
1.2V
≈20V
0.1V
0V
24V
0V
0V
0V
0V
0V
0
0V
0V