Wayne Dresser Vista 1 Series Service Manual page 101

February 1997
Fault Code 54.
(Blenders only)
Communications failure.
Communications failure
between the Duplex II
computer and the
blender solenoid drive
board microprocessor.
Cycle power
to the dispenser.
Does the
error continue
to occur?
YES
Replace the Blender
Solenoid Drive Board.
Does the
error continue
to occur?
YES
Replace Duplex II
Computer
END
FIGURE A-18. FAULT CODE 54.
NO
NO
Part No. 920160 Rev A
91