Testing The Ac Output From The Solenoid Drive Board - Wayne Vista Series Service

B.5.1.

Testing the AC Output from the Solenoid Drive Board

To test the AC output from the solenoid drive board perform the following
steps (see Figure B-21):
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FIGURE B-21. TESTING THE AC OUTPUT FROM THE SOLENOID DRIVE BOARD
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Part No. 917543 Rev. A
Connect the negative lead of your meter to a neutral or an earth ground
(pin 2 in the computers J3 connector will work).
Push the positive lead of your meter into the pin representing the function
to be tested (do not disconnect the wiring harness from the solenoid drive
board).
Set your meter on AC at a voltage corresponding to the control power of
the dispenser being serviced.
Remove the nozzle from the position being serviced and press the push to
start button. You should read the control power voltage (when testing the
fast valve output a small amount of product must be dispensed before any
voltage will be read).
November 1992