Figure A-21. Unit Will Not Respond To An Individual Function Switch - Wayne Dresser Vista 1 Series Service Manual

FIGURE A-21. UNIT WILL NOT RESPOND TO AN INDIVIDUAL FUNCTION SWITCH.

94
Part No. 920160 Rev A
Sale display is on;
unit will not respond
to an individual
function switch,
i.e., the totals switch
works but the price
jog does not.
Use VOM to check
switch
for continuity when
switch is on.
Does the
switch check
NO
good?
YES
Reseat connector J6
on cash/credit interface
board and check
continuity of wiring
between J6 and switch.
Replace cable if
defective.
Replace the
cash/credit
interface board.
Is the
problem
YES
corrected?
NO
Replace the
computer assembly.
END
Replace the
defective switch.
Is the
problem
YES
corrected?
NO
February 1997