V21 Parts & Service Manual
All V21 Identified Equipment
REV A – 10/2013
P/N: 1230476
TROUBLE SHOOTING GUIDE HVV
The V21 vendor provides self-diagnostics to aid you in the trouble shooting process. Error codes are
stored in the controller’s memory when a system error is sensed. These codes can be accessed by
following the procedure listed below.
The trouble shooting guide below contains information on how to solve problems with the 1) Vend
system; 2) Refrigeration system; 3) Peripherals; 4) Selection switches; and 5) Miscellaneous problems.
The guide is divided into subsections with these headers.
ACCESSING ERROR CODES USING DIAGNOSTICS MODE
ERROR DESCRIPTION OF ERROR CODE CHECKING METHOD CORRECTIVE ACTION
Vending Mechanism
Column Jam
Column jam – vend cycle for
column “nn” did not start or
complete.
Look in column to see if product
is jammed against gate or bucket.
Clear jam, complete a test vend
cycle. Complete an auto-homing
Insure can clip is in correct
position (reference set-up
Correct clip position, complete test
vend and auto-homing cycle.
Insure bottles are loaded
correctly.
Load bottles correctly. See loading
label.
Replace chute sensor assembly.
Selection Switches
Selection Switch
Error #nn
Bad Selection Switch - Selection
switch nn is actuated for more
than 15 seconds while in the
Customer Mode or Door Open
Sales Test Mode.
Check the selection switch
number shown in the detailed
error code “nn” to see if:
1)
the
button is sticking; 2) the switch is
sticking/defective; 3) the harness
Try to correct the
problem
if
one of
the three items is found. If you can’t
correct it, then replace the
component in question.
Space to Sales
Unassigned
Column. #nn
Column nn is not assigned to a
selection.
Access space-to-sales mode and
go to custom space-to-sales.
Change space-to-sales setting as
required. In some situations, it may
be quicker to completely reset all
space-to-sales.
Check all selections for the
column shown in the detailed
Unassigned Sel.
SW. #nn
Selection switch skipped - switch
nn unassigned and a higher
number switch is assigned.
Switch is assigned.
Coin Changer
Coin
Communication
Changer communication error -
no changer communication for
more than 2 seconds.
1) Check that red light is flashing
on control board.
If light is not flashing, there is no
power to board. Check and replug
any unplugged connections.
2) Check to make sure service
cord is plugged into the power
If all connections are properly
plugged in.
If fuse is blown replace it.
Tube Sensor
Tube sensor is defective -
reported by changer.
Check changer tubes for
blockage
Clear tube blockage. If no blockage
is found, replace changer.
V21 Troubleshooting Chameleon / Trade / HV3 | T1-12
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