Rev.1.2 – 7.2018.EL950.1.3.1086C
49
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.
Motor Errors
Error Message
Description
Possible Solutions
Motor [Number] Open
The motor indicated or harness to that
motor has an open electrical
connection.
Check the motor and motor
harness for open connections.
Test vend motor. Replace if
necessary.
Motor [Number] Short
The motor or harness has an
electrical short.
Check motor and motor harness
for short. Replace if necessary.
Motor [Number] Home
Sns
The motor home switch was not
detected while the motor was in
operation. This may also indicate a
motor jam condition.
Check motor type service mode
setting, motor, motor switch and
then spiral for blockage. Test vend
selection motor if necessary.
Motor [Number] Jam
A motor jam has been detected.
Check motor and spiral for
blockage.
Motor [Number] Errors
One or more motor errors have been
detected.
Test vend selection motor and
review information on motor open,
short, home switch and jam
conditions.
Motor Under Voltage
The detected motor voltage is not
high enough to run the selection
motors.
Test vend selection motor for
correct operation. Replace motor.
Replace VMC.
Temperature Sensor Errors
Error Message
Description
Possible Solutions
Refrig Sensor # Open
A temperature sensor or harness is
considered to have an open electrical
connection. Where # is the sensor
number.
Check sensor and sensor harness
for open connections. Check for
sensor readings. Replace sensor if
necessary.
Refrig Sensor # Short
A temperature sensor or harness is
considered to have an electrical short.
Where # is the sensor number.
Check sensor and sensor harness
for shorted connections. Replace if
necessary.
Refrig Health Safety
The cabinet temperature and time
limit settings have been exceeded.
Check sensor readings and sensor
harness for shorted connections.
Check for sensor readings.
Replace sensor if necessary.
