Control System 47Service Manual – SC500
Shop Measurements - Function Board (EB1) (continues)
J1
Figure 37
PIN Color Circuit Description Measured Comments
1 Red Detergent pump power supply + 24.9v (off) No change seen on
voltmeter when the
pump pulsed.
2 Gray Detergent pump power supply - 24.9v (off)
Momentary drop to 0 when on.
Voltmeter reading
momentarily jumped.
Too fast to settle into
a range and value.
3 White Deck actuator power supply +/- 24.8v (Stationary)
0.18v (going up)
12v (going up near top)
24.8v (going down to scrub or Ex press)
12.6v (Reset Up)
Stationary: 0v
Transport to Scrub: 24.8v
Scurb to Ex Press: 24.8v then 12v near end
of travel.
Ex Press to Scrub: -24.8v
Scrub to Transport: -24.8v then -12v near
end of travel
Reset to transport:-12.5v entire range
Reference to J1.3
4 Blue Deck actuator power supply -/+ 24.8v (stationary)
0.03v (Transport to scrub)
Scrub to EX Press – Initial 0.03v then 12v
near bottom
24.8v( Ex press to scrub)
Scrub to Transport – 24.8v
5 Green Power supply for ADV versions
congurator
0.001
6 Green ADV versions congurator return 0.001 (Loop not cut)
4.98v (Open loop)
Loop not cut
7 Red Power supply for deck congurator 0.001
8 Red Deck congurator return 0.001 (Loop not cut)
4.98v (Open loop)
Loop not cut