Figure A-19. Sale Display And Unit Price Displays Are Blank - Wayne Dresser Vista 1 Series Service Manual

FIGURE A-19. SALE DISPLAY AND UNIT PRICE DISPLAYS ARE BLANK.

92
Part No. 920160 Rev A
Sale display and unit
price displays are
blank.
Make sure control
power circuit
breaker is ON and
power is present.
Check F1 and F3
fuses on the
computer. Replace
if defective.
Is there
110VAC between
NO
pins 1 and 2 on the
J3 connector?
YES
Replace the display.
Is the
problem YES
corrected?
NO
Replace the
computer.
END
Is 110VAC
present in
NO
junction box
terminal 1?
YES
Repair/replace
defective internal
dispenser wiring.
Correct station wiring.
February 1997