Turn on one of your zone valves manually, do you have water? If not, check the water meter -(if other than the one for your house), or see if you have an isolation gate valve that shuts only the sprinlkler system thats been closed. If you have water, then check to see if you have power A) to the clock, and B) from the clock. Checking to the clock, has a breaker been shut off or possibly tripped, if so reset it. If the clocks LED Display is active then you should have power. More often than not, ...
The reason the valves coming on when you operate it by hand, either via the bleeder plug or by loosening the solenoid is because your allowing the pressure holding the diapahram closed to flow by quickly. Sometimes a valve will not open fully when only the solenoid is loosened, and will also require opening the bleeder. Make sure the center guide rod beneath the valves flow control handle exist, make sure the flow control handle is not fully opened, but just to where turning it down more begins...
Is the problem head located much lower than the other heads? It could be that after operating the zone, the problem head is draining the zone line. When the zones active, all the piping is full of water, when the zone shuts off, it could take minutes or hours for the water in the pipe to drain - at the lowest point. If the zone valve is the problem, shut that valves flow control, (top center handle), off then wait a few days to see if the water stops. You may be able to listen to each valve to d...
First off, count the number of Sprinkler Valves you have. Secondly, operate each one of them manually. Determine what part of the yard each waters. If there are 5 valves and all 5 water the entire yard, you have 5 zones and no master valve. If, you cannot get water to any areas, unless you open one particular valve in conjunction with the others, then that valve is the master valve. The Master Valves wires would need to be connected to the Common and the MV Terminals of the clock, this will allo...
