T-4
07/2003
T-5
07/2003
TROUBLESHOOTING GUIDE
The Vari-Pak 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) Selection switches; 3) Peripherals; 4) Refrigeration system; and 5)
Miscellaneous problems. The guide is divided into subsections with these headings
Accessing Error Codes with 4-button Programming (version 14.1 only)
ERROR
DESCRIPTION OF
ERROR CODE
CHECKING METHOD
CORRECTIVE ACTION
Vending Mechanism
Column Jam #nn
Column jam - vend cycle
for column “nn” did not
start or complete.
Look in column to see if product
is jammed in mechanism.
Clear jam, complete a test
vend cycle.
Insure correct side spacer is
used (see setup diagram).
Install correct side spacer and
complete a test vend cycle.
Insure product is loaded
correctly.
Load product correctly.
Selection Switches
Stuck Sel SW #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 is wired wrong/shorted.
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 Column
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
error description (nn).
Space to Sales Selection
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 fuse on the power
distribution panel.
If fuse is blown replace it.
Replace transformer.
3) Defective acceptor.
Replace acceptor.
Tube Sensor
Tube sensor is defective
-- reported by changer .
Check changer tubes for
blockage.
Clear tube blockage. If no
blockage is found, replace
changer.
Summary of Contents for VARI-PAK 450
Page 2: ...TC 1 07 2003 PARTS AND SERVICE MANUAL VARI PAK...
Page 5: ...S 1 07 2003 SAFETY SECTION VARI PAK...
Page 8: ...S 4 07 2003 FIGURE 1...
Page 20: ...S 16 07 2003 NOTES...
Page 21: ...G 1 07 2003 GENERAL INFORMATION SECTION VARI PAK...
Page 28: ...G 8 07 2003 NOTES...
Page 29: ...CL 1 07 2003 CLEANING INFORMATION SECTION VARI PAK...
Page 32: ...CL 4 07 2003 NOTES...
Page 33: ...PG 1 07 2003 14 1 PROGRAMMING SECTION VARI PAK...
Page 57: ...C 1 07 2003 CABINET PARTS SECTION VARI PAK...
Page 59: ...C 3 07 2003 HARDWARE LIST...
Page 60: ...C 4 07 2003...
Page 61: ...C 5 07 2003...
Page 62: ...C 6 07 2003...
Page 64: ...C 8 07 2003...
Page 66: ...C 10 07 2003...
Page 68: ...C 12 07 2003...
Page 70: ...C 14 07 2003...
Page 72: ...C 16 07 2003...
Page 75: ...C 19 07 2003 NOTES...
Page 76: ...D 1 07 2003 DOOR PARTS SECTION VARI PAK...
Page 77: ...D 2 07 2003...
Page 79: ...D 4 07 2003...
Page 81: ...D 6 07 2003...
Page 83: ...D 8 07 2003...
Page 85: ...D 10 07 2003...
Page 87: ...D 12 07 2003...
Page 89: ...D 14 07 2003...
Page 91: ...D 16 07 2003 NOTES...
Page 92: ...M 1 07 2003 MAINTENANCE SECTION VARI PAK...
Page 98: ...M 7 07 2003 FIGURE 2...
Page 100: ...M 9 07 2003 NOTES...
Page 101: ...T 1 07 2003 TROUBLESHOOTING SECTION VARI PAK...
Page 112: ...T 12 07 2003 NOTES...