ice maker wasn't making ice cubes

I first poured water into the ice maker itself and it made ice, so knew the ice maker itself was working ok. Turned the water valve at the wall off, removed the inlet valve from the back of the fridge with a nut driver, disconnected the solenoid wires and disconnected the water supply line entering the inlet valve and turned the water supply back on and found that the water was flowing ok out of the supply line. Reconnected the water line to the inlet valve and disconnected the water line going from the inlet valve to the ice maker and reconnected the wires to the solenoid on the inlet valve and found no water going through and so determined that the inlet valve/solenoid was faulty and easily replaced it. Note that an ohmeter check said the solenoid was ok, so it could have been that the filter screen inside the inlet valve was blocked. It's a sealed unit, so there was no way to take the screen out to check.