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Service Manual – SC500
05 - Control System, Magnetic Smart Key
Display Controller (EB2), User interface controller (EB3) and Smart Key Reader (IB)
Display Controller (EB2)
1
Drive the machine on a level floor.
2 Remove the ingition key
3 Disconnect the red battery connector
4 Unscrew the 2 screws (A) (Figure 16)
5 Lift up and remove the User interface controller
cover (B)
Figure 16:
A
A
B
6 Disconnect the following connections
sequentially (Figure 17):
◦
(A) Speed potentiometer connection J4
◦
(B) Display controller power supply
connection J1
◦
(C) Smart key connection J6
◦
(D) Flat connection J2
◦
(E) Flat connection J3
7 Unscrew the 4 screws (F), then remove the
Display controller (G)
Figure 17:
B
D
E
C
A
F
F
G
F
F
