no water from door dispenser.

Not getting water from door dispenser. Dispenser works for cube and crush ice. Replaced water valve, dispenser circuit board and micro-switch. Checked water line for freezing. Checked water filter for blockage. Ice maker continues to draw water and make ice. When selector switch is in "water" and plunger pressed I can hear water valve in rear of machine "buzzing". Any suggestions, anyone??? THANKS!!