When your sprinkler system completes the final watering time in the last zone and the system shuts off, there is often water leaking out of a head for several minutes. Over those years, the l...Read More. To check the water pressure: Place a pressure calculator on the nearest tap to the water meter. It’s also possible that your sprinkler heads are not popping up because there isn’t enough water pressure in the zone with the malfunctioning head. My sprinkler system has been working fine for a while, but one of the zones (back yard) stopped working. If it doesn't, the controller needs to be replaced. In most cases, sprinkler heads (not including drip irrigation lines, of course) should be laid out in similar formations. There are supposed to be sprinklers for the backyard. No need to worry…it’s typically an easy fix! Fortunately, you can troubleshoot your lawn sprinkler problems easily. Test the Transformer. The line will need to be flushed to the last sprinkler head of the affected zone, or repaired if there are cracked sections. The sprinklers were not popping up, and when the sprinkler system was turned on the showers in the 2nd floor apartments stopped working! 2 RAIN BIRD SPRAY HEADS Spray heads are relatively simple to troubleshoot. Keep your sprinklers working with some simple troubleshooting. The 4 zones have worked great since day 1 with no issues, whether it be through programmed or manual operation. But first, here are signs of a clogged sprinkler head. I ask because usually I see sprinkler pipes in one continuous line, which i...Read More. Misting - This is a result of excessive water pressure. The valve sends water from the main trunk line to a group of sprinklers. Zone 2 of my irrigation system has 6 pop-up sprinkler heads but the last two do not pop up, nor is there any water coming from them at all. 4. Debris in nozzle and sprinkler head. However, make sure not to exceed the capacity of the zone. I have one zone in my 6 zone system not working. I traced the problem back to the street, so we called the water company. I switched the wires from this zone to another and the back yard still doesn’t turn on but the front yard connected to the back yard zone works fine, so the controller is OK. Sprinkler heads I have had my irrigation system for about 30 years. I walked the lawn and found a head that had water all around it with squishy ground. Near the … Home Lawn Water Sprinkler Irrigation System Problems Read More » Question: I need some troubleshooting solutions for a home sprinkler system. Inspect that the wires are attached to the controller’s terminal. There is an obstruction in the water line. It might not seem like a big problem but usually creates a nightmare when it comes time to program the control clock. When your one, several, or all of your sprinkler heads won’t go down after a specific zone is finished watering or after the sprinkler system has turned off, something isn’t working properly. If the zone stopped working, there might be an issue in the voltage. Turn valves to the left to open them more. This is a very common design flaw on many sprinkler systems, and usually means there are some rotor heads and some spray heads on the same zone. If one or more of your lawn sprinkler heads fail to work, try one of the simple fixes below. Step 7. Therefore, given that you measure 12 GPM, and have sprinklers that use 2 GPM, put 5 of them instead of 6. Half a sprinkler zone not working [X-Post from /r/irrigation] Hi all, I was hoping someone could give me some insight! A sprinkler system with a zone that will not turn on or off has either a malfunctioning timer, zone valve or a short in the low-voltage wire. The sprinkler zone that this open valve controls will have water flowing out of the riser at the end of the zone without a sprinkler head. Related Posts. Bird have always believed that education is the way to improve not only ourselves, but also our industry. However, when nothing is working at all, it can be difficult just to know where to start. The sprinkler heads are dirty or clogged. Home Sprinklers - 2 of 6 zones not working. Switch on the gauge attached tap and wait for few seconds to know the water pressure. As the owner of a Rainbird sprinkler system, you need to know how to troubleshoot your lawn sprinkler. About a month ago, I noticed that zone 1 no longer turns on, but zone 2, 3, and 4 do. If the zone 4 valve starts working you know you have a controller problem. On the Hunter Pro C screen, it shows like zone 1 is working, but I do not hear any water flow, and the sprinklers do not pop up. It's not a difficult job; you just need to understand what task each component performs, so that if they are not working properly you can troubleshoot them first before having the … Broken spray heads: If you notice that your sprinkler heads don’t pop up or they pop up only to spray water everywhere, you may have a broken spray head. (I’m typing with my tongue planted firmly into my cheek.) They should have been completely open already. Switch the wires so the zone 4 valve, which did not run, is now hooked to the zone 3 connector. Leaving a sprinkler head in the up position runs the risk of the sprinkler head being broken by a lawnmower, car, child, or toy. This is a great forum! In the typical system, a water supply pipe from the main water source first passes into a valve box set at ground level, where it is divided into individual underground irrigation zones, each controlled by its own zone valve. You’ll know if this was the problem as the sprinklers will return to normal. They had looked and looked for a problem. This article explains what to do if a zone will not shut off, as well as how to shut the system off. Speaking of which, if the calculation comes out even, put one sprinkler less. Regular use of the sprinkler system can cause dirt and mud to infiltrate the holes of the sprinkler head, causing it to not work properly. Here, you need to take care that no other taps are on inside or outside of your home. 1. Rainbird Max-Paw sprinkler head not rising ... Can a single sprinkler zone branch off in multiple directions using a tee? Here is a diagram of my problem. The open position is when the valve is parallel with the pipe. It’s above ground and at least 10 inches above the highest sprinkler head in your yard. It doesn’t start automatically or manually. Maybe none of your heads are popping up, or maybe only one is not working correctly. Debris can build up in the sprinkler heads’ screens that are meant to keep mud and dirt out of the nozzle, preventing proper water flow. Pop-up sprinklers require water pressure to “pop up", a broken irrigation pipe or a worn sprinkler wiper seal can cause a loss of water pressure.To determine whether or not your pressure needs to be assessed or replacement parts may be necessary follow these couple steps. How Lawn Sprinkler Systems Work . A water line problem will be located between the last working head and the first non-working head. The thin spray opening of a sprinkler head easily becomes clogged with dirt and debris. In fact, it almost seems as though all zones are turned on, but there's just not enough pressure to see the effects as much at each zone. If one of the valves connected with your system is partially or completely closed, this can cause low pressure in the system. And when the pros tell you that arranging your sprinkler system in zones will give you the best results, believe them! I have 6 sprinkler heads on zone 2 and half of them all of the sudden don't work. Each zone has its own valve, so that’s a good place to look. The outside of the garage has a sprinkler control box for the sprinklers. Disassemble the sprinkler head by unscrewing the top from the canister. For instance, you might find out that one sprinkler head will turn nicely with a stream of water at 18 inches high while another one will not move even an inch unless the water flows above 40 inches. Leaking sprinkler head We have a 4 zone toro system. Clever technical term I came up with and you may use it. A solution is to split the zone into two zones. Reducing the pressure may be done in one of two ways. In the last couple of weeks, our sprinkler system started making multiple zones turn on at the same time. Here are seven common problems and how you can fix them: 1. Inspect malfunctioning sprinkler heads while the water supply is off, and clear blockages with a thin, straight-edged tool such as a screwdriver. The most common cause of individual sprinklers not coming on is blockage. Some potential causes that can prevent a sprinkler head from popping up are: There isn’t enough water pressure to run the zone. My assumption is that there is a break in the main PVC line after the last working head. In attempting to start it up this year, I found that zone 1 is inactive. If one sprinkler zone becomes defective, the whole system is not necessarily compromised, which can save you a lot of time and money. Each sprinkler valve has its own electrical valves for the sprinkler heads in that area, so if an individual zone is not working, that is a good place to start looking for the source of the problem. You’ll see valves on a horizontal and a vertical pipe – make sure both are full open. Family Handyman. In an automated irrigation system, the controller opens and closes one valve at a time by sending power to the valve through a pair of wires. An in-ground lawn sprinkler system consists of several key components. When the pressure is low, the fix is simple to deduce: increase the water pressure. FAQs ... How to plot sprinkler head location. To clean the sprinkler head: 1. Broken spray heads occur when lawn mowers or other vehicles drive over them. The valve and its group of sprinklers are called a zone. They are completely dry, even in the flex lines they are attached to. 5. I demonstrate a diagnostic algorithm for workup of a defective solenoid as a cause of failure to water a sprinkler zone in a home irrigation system. If it does not then you have either a wiring issue or a problem at the valve. You may have a clogged sprinkler head if: •The sprinkler head pops up but fails to spray •The head fails to lower after spraying •The head sprays in an uneven pattern. If your sprinkler system isn’t working in all zones, chances are the problem is localized to the one or two zones that aren’t working. I notice the sprinkler head did have a little flow of water coming out, so i removed the sprinkler and installed a new one with the same results. Now test zone 3 (which is temporarily hooked to zone 4 valve) on the controller. I'll start by thanking you all for your advice. Below are the most common problems found with spray heads. “Problems can also be caused by two or more zones working together, causing the irrigation system to malfunction due to low pressure.” Zoning out . The water flow in your house isn’t restricted, whereas that to the sprinkler is. I bought a house 3 months ago. Refer to your owner's manual to see whether the voltage reading falls within the required range (usually 24 to 28 volts). Mixed heads, otherwise known as mixed zones, occur when a single irrigation zone has more than one type of sprinkler head. Sprinkler Heads are not Seating: This is a pretty common issue with sprinkler systems. Debris in screens. ... Place the other lead on the terminal of the zone that's not working. After that i just removed the sprinkler head and turn on the zone to see if there was any pressure going to the zone which usually the water would go up 4 or 5 ft in the air and it didnt at all. If there is a non-working zone, check for an electrical problem. How many sprinklers per zone calculator? Know that the water system is divided into zones; each has its valve controlling a sprinkler head. So, I have been digging up this particular line to find the break, but with no luck. An experienced technician uses certain visual clues to reduce the possibilities while diagnosing the system. Head out to each valve and see if it is opened fully, broken, rusted, or stuck. They discovered that the pipes in the street had been worked on a few days earlier. The control box appears to be fairly new and it has 6 zones. 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