Figure A-22. Unit Will Not Respond To Any Function Switches - Wayne Dresser Vista 1 Series Service Manual

FIGURE A-22. UNIT WILL NOT RESPOND TO ANY FUNCTION SWITCHES.

February 1997
Sale display on unit
will not respond to
any function switches.
Reseat
connector J6 on
cash/credit interface
board.
Is the
problem
YES
corrected?
NO
Replace the
cash/credit
interface board.
Check continuity of
wiring between J6 on
cash/credit interface
board and each switch.
Replace cable if
defective.
Replace the
computer assembly.
Is the
problem
YES
corrected?
NO
Replace display board
and/or cable to J1 on
display board.
END
Is the
YES
problem
corrected?
NO
Is the
YES
problem
corrected?
NO
Part No. 920160 Rev A
95