no it didnt one of the va;ves was working the other wasnt, the way these valves work is the motor when powered opens the valve to the man position then a tiny bit further and makes a micro switch , this switch brings the boiler on, when you manually move the lever to man the mechanism doesnt move far enough to bring the boiler on.
If you set one valve to man the valve will open, then when the working valve comes on the switch from the working valve will bring the boiler on and both zones will heat, but with both set to man no signal is sent to the boiler to fire