Instructions for the installer, maintenance
technician and final user
34
© SandenVendo Europe SpA
8 TROUBLESHOOTING
The following table lists the problems that may occur on our vending machines. We have
listed the possible causes together with the recommended solutions to eliminate the
problems.
CAUTION: IN CASE OF FAILURE AND/OR POOR OPERATION ONLY CONTACT
THE SKILLED PERSONNEL AT OUR SERVICE CENTRES
i
MAY WE REMIND YOU THAT OUR AFTER SALES SERVICE CENTRE IS
AVAILABLE FOR ANY TECHNICAL INFORMATION YOU MAY NEED
.
PROBLEM
POSSIBLE CAUSES
RECOMMENDED SOLUTIONS
All coins returned.
The vending machine is not
powered.
Check the electrical plug.
The coin box is not powered.
Check that the connection wiring is not faulty and
that the fuse has not blown.
The coin box is out of use or the
money return handle does not
close.
Check the coin box or replace the levers.
Dirty money channel.
Clean the coin box with an approved detergent.
Dry completely.
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).
Coins accepted no
product delivered.
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.
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.
