If one of your sprinkler zones will not run there are 3 places we can look to pin point the problem.
Is the timer working
Is there a problem with the wiring
Is the solenoid valve causing the problem
Troubleshooting each of these areas requires the use of a voltage meter. If you are unsure of how to use a voltage meter or find that trouble shooting the problems of your irrigation system cause you irritation then let one of our trained irrigation techs troubleshoot it for you.