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Service Manual – SC401, SCRUBTEC 344
04 - Control System - Battery
Shop Measurements
The following tables contain some “real world” shop voltage measurements to help you recognize what
“normal” looks like All voltage values were measured with the black (Negative) voltmeter lead connected to
the main battery negative unless otherwise specified.
Main Machine Controller (EB1)
Battery volts at battery, key on = 24 24V
Power Supply
+
-
Figure 40:
PIN
Color
Description
Measured
Comments
B+
Red
Main machine controller power 23.83 V
Vac ON
B-
Black
Main machine controller power supply - 0.039 V
Vac ON