turned off back on, including the one at the wall for the pump. with the pump back together, you're in less danger from working with it around water.
watch the water pump and the air valve. you should see water running through the pump pretty quickly. the water pump may gurgle with air bubbles at first, but it should soon be running smoothly with just water.
you can also watch the air valve. it should leak air then start spraying a little water if the pump is running correctly.
if you don't see these signs within a minute or so, turn the pump off again and repeat the steps from above.
close the air 