No syrup
No soda water
No nothing!

1.  Check that the soda dispenser and the carbonator are both plugged in
2.  Make sure the circuit they are plugged into has power
(is there a breaker that has been thrown?)
3.  Check if the dispenser has been turned on by the key. (see picture)

use key to turn machine on

4. If the unit is "coughing" gas and syrup, but no water is coming out,
make sure no one has shut off the water supply.
5.  Some "Drop in" units may not work if the ice bin door is open, try closing the door.
Drop In unit
counter top soda dispenser

If the unit still will not work, you should get SERVICE