T-11
04/2005
ERROR PROBABLE CAUSE CORRECTIVE ACTION
Bill acceptor takes a bill but does not
establish credit.
Defective acceptor harness (credit not getting from
acceptor to control board through the harness).
Make sure that the acceptor and harnessing is correct for your style of
acceptor and it is plugged in and wired properly.
Defective acceptor. Replace/test acceptor.
Defective controller. Replace/test controller.
Bill acceptor takes a bill and credits but not
erasing credit.
Defective bill acceptor
. Replace acceptor and test acceptance and erasure of credit.
Defective controller. Replace/test controller for erasure of credit.
Both vend sensors are defective Replace vend sensor
.
Acceptor takes a bill and allows payback of
coins without a selection.
Controllers configurations not set properly. Access vendor configuration mode and check the “Forced Vend” setting.
VENDING PROBLEMS
Hand not in home postion Communication error between VMC and PDC or
PDC software error
Cycle power to unit. Start-up routine should begin.
Hopper is open Vend optics blocked Enter Test Mode check Vend Detection (see service manual). Cycle power
to unit. Strat-up routine should begin.Relpace/Test vend optics.
No vend upon selection. No power or communication to hand. Check for lights on hand. Left side red light (motor power) right side
fl
ashing (logicpower/ communication). If no light than check MDB
connection on VMC.
Hand not aligned correctly to tray when
vending.
T
ray or shelf out of position (not seated). Tray table
in the PDC not present or correct.
Reseat tray or shelf. Run calibration #1 then #2.
X-rail not moving, product in hand. Vend flap motor umpluged or linkage broken. Test vend flap in Test Mode. Replace if broken.
Completely sold out while product is still in
the column.
Product pusher not functioning Check to see if product pusher is engaged.
MISCELLANEOUS PROBLEMS
Door will not close completely. Hand assembley hitting the lower blukhead. Tri-Teq
lock system is in the locked position.
Reposition y-rail stops and check y-home magnet. Open Tri-Teq lock,
check for damage to lock slide.
Display shows sold out immediately upon
pressing selection button of full column (sold
out not clearing).
Door switch wired incorrectly or cut/pinched. Manually press door switch. If still not vending, check wiring or replace
door switch.
Defective control board. If door switch is replaced and still reading sold out, replace control board.
V
endor appears dead; no digital display and
no lights.
Defective main harness. If red light on control board is off, check fuse and transformer.
No digital display; vendor lights on. Defective display or display harness. Check display and display harness. Replace if necessary.
Check for a flashing red light on control board. If no light, replace control board.
Vendor scrolls message on display but does
not accept money.
Changer out of tune. See “Tuning Changer”.
Defective changer. Replace changer.
Defective controller board. Replace control board.
V
endor accepts money but does not display
credit.
Defective changer. Replace changer.
Defective controller board. Replace board.
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