S24 VDC power supply cable (see aFigure 3)
Sground wires (see cFigure 3)
SEthernet cable (see bFigure3).Makesureto
cut wire ties that hold the Ethernet cable.
4. Unfasten the two captive screws that hold the touch screen
panel to the base panel (see din Figure 2).
Figure 3
Removing the Controller Board,contd.
c
a
d
c
Figure 4
a: Power supply board b: Four screws c: Hexagonal stands d: Plastic standoffs
e: Six terminal blocks f: JP 7 on the controller board g: Touch screen 24 VDC supply
h: Line voltage board i: Ground wire
power supply
b
5. Remove the touch screen panel (see ain Figure 2) by
compressing the standoffs (see bin Figure 2).
6. Disconnect the following cables (see Figure 3):
7. Disconnect the following:
b
e
fg
a
8. Unfasten the four screws (see bin Figure 4) to remove
the old power supply board (see ain Figure 4).
9. Remove the four hexagonal stands (see cin Figure 4).
h
i
j
a: 24 VDC supply cable b: Ethernet cable
c: Ground wires
S24 VDC supply cable from JP7 on the controller board
(see fin Figure 4).
Smain line voltage supply from the board (see jin Figure 4)
Sboard line voltage supply from the board (see hin Figure 4)
Spower supply ground wire
10. Remove the four plastic standoffs (see din Figure 4).
11. Remove the six remaining terminal block connectors
from the controller board (see ein Figure 4).
12. Unfasten the seven mounting screws from the con-
troller board and remove. See Figure 1 in Installing the Con-
troller Board.
