User's Manual

Service
44 312777E
Replacing Control Board
1. Follow Preparation, page 42.
2. Disconnect fiber optic wires (J4, J6) and all cables
(J1, J3, J5, J7, J8, J9, J12, J13, J14, J15) from con-
trol board (302). F
IG . 21.
3. Remove 4 screws (303). Remove connector jam
nuts on the outside of the enclosure (301). Remove
control board (302). F
IG . 20.
4. Install new control board (302) with 4 screws (303).
5. Connect cables to control board (302). F
IG . 21.
Insert fiber optic cable connectors into board con-
nectors (J4, J6), matching blue with blue, black with
black, and hand-tighten connectors. Do not pinch or
kink the fiber optic cables; the cables require a 2 in.
(51 mm) bend radius.
6. Replace the cover (322).
7. Turn EasyKey power on to test operation.
NOTICE
To avoid damaging circuit board when servicing, wear
Part No. 112190 grounding strap on wrist and ground
appropriately.
F IG . 21: 255765 Fluid Station Control Board
J6
(F.O. Input - black)
J4
(F.O. Output - blue)
J10
(Power Input)
J5
(Flow Control)
J11
(Color Change Module)
J7
(Booth Control)
J15
(Solenoid Output,
3rd Flush Valve, Dump Valve A)
J8
(Solenoid Output, Dump Valve B,
Gun Flush Boxes A and B)
J14
(Solenoid Output,
Air Purge Valve and Solvent Flush Valve)
J1
(Digital Input)
J9
(Solenoid Output,
Dose Valves A and B)
J3
(Meter A and B Input)
J12
(Solvent Meter Input)
J13
(Not Used)
F2 (343)F1 (343)