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Service Manual – SC500
04 - Control System
Display Controller (EB2) and User interface controller (EB3)
Display Controller (EB2)
1
Drive the machine on a level floor.
2 Remove the ignition key
3 Disconnect the red battery connector
4 Unscrew the 2 screws (A) (Figure 15)
5 Release the retaining tab (B), then lift up and
remove the Main machine controller cover (C)
Figure 15:
A
A
C
B
6 Disconnect the following connections
sequentially (Figure 16):
◦
(A) Speed potentiometer connection (J4)
◦
(B) Display controller power supply
connection (J1)
◦
(C) Flat connection (J2)
◦
(D) Flat connection (J3)
7 Unscrew the 4 screws (E), then remove the
display controller (F)
Figure 16:
B
C
D
A
E
F
E
E
E
