Veris Technologies pH Manager - Operating Instructions - Manual (Page 55)

Pub.# OM17-MSP-pH
6-10
Figure 2.2 External Controller circuit board (metal cover removed)
3. Test voltage coming out of External Controller to solenoids. Disconnect the weather-pack
connectors in line from Controller to the solenoids. Using a digital voltmeter set to read voltage,
insert leads into connector coming from Controller. Activate manual raise-lower switch and
read voltage. (Figure 4) Voltage should be 12 volts.
Figure 2.3 Testing voltage on power leads to solenoid.
5V 2
SOLENOID
LED’s
12V C
5V
UP
DOWN