Flowchart A-3. 03 Fault Code - Wayne Vista Series Service

November 1992
03 fault code
unit has run over
preset amount.
Check for 110VAC
from solenoid drive
board holding
valve(s) open.
Is 110VAC
present when it
should not be?
NO
Check diaphragm for
leaks or debris holding
it open. Replace or
clean as necessary.
Is the
problem
corrected?
NO
Replace the two
stage actuator.
Is the
problem
corrected?
NO
Replace the
computer.
END

FLOWCHART A-3. 03 FAULT CODE

Replace the
YES
solenoid drive
board.
YES
YES
Part No. 917543 Rev. A
75