Flowchart A-12. 14, 15 Or 16 Fault Code - Wayne Vista Series Service

84
Part No. 917543 Rev. A
14, 15, or 16
fault code.
Illegal pulse; a pulse
was recieved
from a grade
not selected.
Check diaphragm valve
of unselected product
for leaks or debris
holding it open. Clean
or repair as necessarr.
Is dispenser a
NO
V390/U Single
Hose MGD ?
Check solenoid
drive board for
110VAC output
to valves when
there should
be none.
Is there
110VAC
present?
NO
Replace the two
stage actuator.
Is the
problem
corrected?
NO
Replace the
computer.
END
FLOWCHART A-12. 14, 15, OR 16 FAULT CODE
Is the
problem
corrected?
NO
Check restricter valve
YES (on meter support of
unselected product) for
leaks or debris holding
it open. Clean or
repair as necessary.
Is the
problem
NO
corrected?
Replace the
solenoid drive
YES
board.
YES
YES
YES
November 1992