Veris Technologies MSP3 - Operating Instructions - Manual (Page 105)

Pub. #OM17-MSP3
6-31
If voltage at power connector drops below 12 volts during this test:
a) clean battery terminals
b) check disconnect contacts
c) hook power leads directly to battery
—not through tractor power port
d) charge battery
4. Check voltage at power cable (Figure 12.4). If 12V at cable but not on circuit board
—call
Veris Service Dept.
Figure 12.4: Using voltmeter to check voltage at power supply cable