The Glass Front 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 the Diagnostic section of Programming.
The trouble shooting section contains Error Codes, General Machine Troubleshooting, and Vending Troubleshooting.
Error Codes (version 15)
ERROR DESCRIPTION OF
ERROR CODE
CHECKING METHOD CORRECTIVE ACTION
Vending Mechanism - PDC Error (Hand Control Board)
ServiceMode: The
LED on the lower LEFT hand side should be a
constant Red Light. 24VDC. (Fuse & Wires) If
RED LED is not on, unplug machine, check
24VDC fuse on power distribution panel and
wiring harnesses for continuity.
The LED on the lower RIGHT hand side should
be a 'flashing' Orange Light. 34VDC.
Check the two pin power connector at the
Check connection to board on X rail.
Check power supply connections in power
distribution panel at bottom left of cabinet.
POWER DOWN.
Replace fuse(s) & or wiring harnesses if necessary.
POWER ON.
Perform a test vend cycle.
Wires must be seated firmly in the Molex Plug.
Ensure Molex Plug has not been reversed.
If X Motor has not returned to the home
position, check to see if the hand is jammed on
a tray or other item in the cabinet.
POWER DOWN.
Clear jam, wait 5 seconds and POWER ON.
If hand goes home after 'Auto Recovery', run 'X' Motor
in Test Motors.
Complete a test vend cycle. If hand does not go home
in X, replace X motor.
X-motor Jam X motor mechanism
did not start or
complete.
If unit has returned to the 'Home position', hand
Check product positions to determine if any are
sold out with product still in column.
Perform a Calibration Discovery 2. See Manual.
Complete a test vend cycle of sold out products.
If hand hits tray in X, adjust X home position by adding
or removing spacers.
Y-motor Jam Y' Motor portion of
vending mechanism
did not start or
complete.
Preform System Check, see X-Motor Jam. POWER DOWN. Replace fuse(s) if necessary.
POWER ON. Complete a test vend cycle.