Rain Bird Error Message and How To Fix It by Replacing the Solenoid Valve

Now when I went to my control panel I saw the Err 2 message, and that told me that my "Zone 2" valve was not working. My system is approximately 6 years old, and I figured I would just go ahead and replace the solenoid to make things simple, rather than trying to troubleshoot the old one. ---Transcript Below--- Hey guys, if you like me and you don't know anything about Rain Bird or any of these sprinkler systems, welcome to the club. I noticed that half of my yard was turning brown, but I knew it wasn't because of the sprinkler system. Because I could hear it run and start to investigate this a little further I see this on my panels and of course Err 2 doesn't tell me anything, so I go to the internet and I learn the that&telling me that there&something wrong with a master valve or solenoid or something and so I looked, I&see if I can show you guys here down here on the bottom and number two is the blue wire right there right so basically what I did is I headed out and started looking for those little valve boxes like that one right there and what I did is I looked and I found the one that had a blue wire if that&the case if everything works out right by going to the hardware store and picking up this Scylla note I should be able to fix it and as you can see sand around this one that one there that I need to take out because there is no blue wire so here we go okay so there's the old solenoid right there we use it dielectric grease and fill up those connectors to prevent...