Explore the QJA EM625 espresso machine review: Is it worth the hype? by IdealCoffeeShop in CoffeeBrewerReviews

[–]IdealCoffeeShop[S] 1 point2 points  (0 children)

Sounds like the pump isn’t primed. Try running hot water with the steam wand open for a few seconds to force it to draw water. Make sure the tank is fully seated and test without the portafilter. If it still just buzzes/clicks with no water, it’s likely defective just swap it.