Graco ProMix II Service And Parts page 20

Service ◆ Smart Fluid Panel
5.
Slide the panel (14) until its bottom slots (KK) align
with the top screw holes and secure the box in
place with the 2 screws. F
J10 J5 J3
14
KK
F . 14
IG
CAUTION
To avoid damaging circuit board when servicing, wear
grounding strap on wrist and ground appropriately.
Replacing Control Board
1.
Follow Preparation
2.
Disconnect fiber optic wires and all cables (J1, J3,
J4, J5, J6, J8, J9, J10) from control board (706).
F . 14.
IG
3.
Fluid Panels with Color Change: Carefully
remove color change EEPROM (U25) from the
control board with a chip puller. F
install in the new board.
Panels without color change do not include the
EEPROM.
20
. 14.
IG
J6 J4 J1
J9 J8
706
procedure, page 19.
. 16. Save it to
IG
706
707
F . 15
IG
4.
Remove 4 screws (707). Remove control board
(706). F
IG
5.
Install new control board (706) with 4 screws (707).
TI4886a
6.
Connect cables to control board (706). F
Insert fiber optic cable connectors (J4, J6) into
board connectors (E), matching blue with blue,
black with black, and hand-tighten connectors (E).
F . 16.
IG
7.
Fluid Panels with Color Change: Orient the
EEPROM (U25) so its notch lines up with the notch
marked on the fluid control board and install it in
the board. The EEPROM leads may need to be
bent slightly inward to fit in the socket.
F . 16
IG
8.
Reassemble Smart Fluid Panel
9.
Turn EasyKey™ power on to test operation.
. 15.
U25
(page 22).
TI4868a
. 14.
IG
E
310653B