I have a Bissell Proheat. I have a Bissell Proheat 2X Carpet/Upholstery cleaner and I can't get

Question

I have a Bissell Proheat 2X Carpet/Upholstery cleaner and I can't get the soap and water to come out of the attatchment. The vacuum part is working, but the spray isn't. I can see the fluid is trying to go up the tube but won't spray.Help.Peggy