Ice maker not filling with water

My Sub Zero 550 stopped making ice. When I jump the T and H the motor goes through the full cycle and the fingers stop at the 2:00 position. When I jump the V and L the water flows into the tray but does not stop till I remove the jumper. I figure the line can not be frozen since the water flows. Could it be the water valve? Is there a separate solenoid. Any help really appreciated.
Thanks in Advance,
Frank