Wayne Dresser Vista 1 Series Service Manual page 86

76
Part No. 920160 Rev A
03 fault code
unit has run over
preset amount.
Check for 110VAC
from solenoid drive
board holding
valve(s) open.
Is 110VAC
(or 24VDC
blender only) present
when it should
not be?
NO
Check diaphragm (or
porportional valve
blender only) for
leaks or debris holding
it open. Replace or
clean as necessary.
Is the
problem
corrected?
NO
Replace the two
stage actuator
(non-blender only).
Is the
problem
corrected?
NO
Replace the
computer.
END
FIGURE A-3. FAULT CODE 03.
Replace the
YES
solenoid drive
board.
YES
YES
February 1997