The issue that you are having is most likely due to a clogged nozzle. This is a simple fix just follow these steps!
Unclogging Your Nozzle
1. Remove the nozzle If you clear the blockage without taking the nozzle off, it�ll likely just clog again.
2.Using a straightened paperclip, try digging and poking the blockage backwards out of the hole. Hold the nozzle by the sides with the front of the nozzle facing you. Using the paperclip, try pushing the clog back the way it came.
3.Rinse the nozzle thoroughly front and back
4. Replace the nozzle and go.
If the nozzle remains clogged, remove it and try clearing it out with a paperclip again. Just remember that reversing the clog is the best way to unclog it. Push it back the way it came from. If you have a lot of trouble getting it unclogged, try soaking it in hot water and then attempt it again.