Instruction for installation,
maintenance technician
and final user.
VENDING MACHINE
Rev. 00
Models: VDI 100 – 189 – 217 - 254
Pag. 41 di 46
PROBLEM
POSSIBLE CAUSES
RECOMMENDED SOLUTIONS
Machine has sold out.
Either all the columns are empty or the full columns
have signalled a product blockage to the board.
Check that the full columns work properly with the
manual test after which reset the errors (ref.
Programming Manual).
Prices are set too high.
Set the prices (ref. Programming Manual).
Communication error coin box –
board.
Check the connection wire between the coin box
and the board. If necessary, try replacing the coin
box or board.
Coins accepted no
product delivered.
The motors are jammed.
Make sure the motor is powered by 24V when the
selection is made (always cancel the errors on the
board).
The delivery motor
runs until two or three
products are sold,
after
which
the
column signals sold-
out.
The motor has a dirty micro
switch.
Clean or replace it.
The sales made are
not counted.
The door switch does not activate
when the door is closed.
Adjust the door square and try a sale with the door
closed.
The display shows
the sales counter.
The “ door closed” sensor is
not installed correctly.
Adjust the position of the “ door closed” sensor
The column signals
sold-out even when it
is full.
The products are over the sold
out sensor.
Check that the column arrangement is correct.
Check if the sold -out micro switch works.
The vending machine is not
powered.
Check the power source.
Check the power cable connections and the fuses.
The cooling system
does not work.
Communication failure between
the power board and the vending
machine.
Check the communication cable is intact.
The compressor does
not work, the
The overload protection and relay
do not work.
Check the overload protection or the compressor
relay.
