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JDL V1.0 8 2022
MANUAL DEFROST
Note:
Do not use unless requested by trained personnel
1. Press Service Mode Button
2. Press 0 for Test Modes
3. Press 5 for Manual Defrost, which will enable you to set a manual defrost period for the machine
4. Press 5 to toggle ON/OFF
5. Press # to save changes
6. Press * to exit to previous menu
DOOR SWITCH
1. Press Service Mode Button
2. Press 0 for Test Modes
3. Press 7 for Door Switch
4. Operate the door switch by hand and confirm on display
5. Press * to exit to previous menu
ERROR CODE MESSAGES
VMC Errors
Error Message
Description
Possible Solutions
VMC Settings Reset
VMC has been reset to factory
default.
If a software upgrade has just been performed,
the VMC has been reset to default settings.
Change your prices and other settings as
required. Cycle power and verify your changes
and any error messages.
VMC Door Switch
Door switch is seen as open for
greater than the allowed time.
Check the door switch for correct operation.
Check door wire harness.
VMC Scale Factor
There is a conflict with one or
more MDB setting from the
installed MDB devices.
Review manuals and settings for installed MDB
devices to make sure they are compatible.
VMC Selection SW
A keypad selection button is stuck
in the depressed position.
Determine reason why keypad button is stuck
and repair.
VMC Low AC
The incoming AC power is lower
than required to properly run your
vending machine.
Determine why voltage is low. Remove any
voltage reducing devices not authorized by the
vending machine manufacturer.
VMC RAM Checksum
A RAM checksum error indicates
that accounting data or a VMC
setting was in error. The VMC will
use a backup copy of the data
where possible.
Check the VMC settings and accountability
data for correctness. Cycle power to the
vending machine and recheck error messages.
