42Service Manual – SC6000 04 - Control System
Main Control Board J2 Connector (Gray)
Pin Wire Color Circuit Description Value/Condition
14 W189 YEL S7 Solution level sensor Lvl 3
input
4.83V Float down
0.001 Float up
15 W190 RED S7 Solution level sensor Lvl 4
input
4.83V Float down
0.001 Float up
16 W199 YEL-RED S3 Horn switch input 4.8V at paddle at rest
0.001V paddle pulled back
17 W198 ORN-RED S4 Burst of power switch input 4.8V at paddle at rest
0.001V paddle pulled back
18 W200 TAN-WHT S5 Timed solution off switch
input
4.8V at paddle at rest
0.001V paddle pulled back
19 W204 RED USB VBus 5.00V
20 W203 WHT USB DM 0.005V
21 W202 GRN USB DP 0.005V
22
23 W221 BLK USB GND 0,001V
Power Module J3 connector
Pin Wire Color Circuit Description Value/Condition
1 W013 ORN-GRY M7 Deck actuator + or - 35.5V - up, 3.0V down
2 W019 BRN K2 Power module relay coil
control
36V momentarily at power up, then 11.4V
3 W196 GRN CAN 1 Low 2.44V
4 W193 YEL CAN 1 High 2.57V
5 BLU-PINK +15V power output for Curtis
programmer connector
6 W014 BLU-GRA M7 Deck actuator + or - 37.6V down, 0.07V up
7 GRN-VIO Serial RX for Curtis
programmer connector
8 BLU-GRN Serial TX for Curtis programmer
connector
9 W247 BLU-RED Key Switch Input power supply
(from K1 KSI relay)
37.66V when K1 is energized
10 W225 WHT-BLK M10 Optional Pump + or - 35.6V on, 1.11V off
11 W170 BLU-ORN M10 Optional Pump + or - 0.004V on, 1.11V off
12 W122 BLK B- Power supply 1.1V no load or with vacuum on
13 W011 TAN-BLU M6 Squeegee actuator + or _ 34.5V up, 3.0V down
14 W010 BLK-GRA M6 Squeegee actuator + or _ 37.6V down, 0.05V up
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