Sprinkler System

Maintaining a lush, healthy lawn is an important part of homeownership for many people. A key part of this is making sure that your lawn sprinkler system is in good working order. Knowing how to tell if your lawn sprinkler controller is faulty is an important skill to master, as it can help prevent damage to your lawn and costly repairs.

By recognizing the signs of a faulty lawn sprinkler controller, you can help protect your lawn from unnecessary damage:

Signs of a Faulty Lawn Sprinkler Controller

When it comes to keeping your lawn in optimal condition, a functioning sprinkler controller is essential. Unfortunately, even the best sprinkler controllers can malfunction and become faulty over time. To ensure your lawn is getting the water it needs, it’s important to know the signs of a faulty lawn sprinkler controller and take steps to repair it as soon as possible:

Sprinkler Valves Not Opening and Closing Properly

The first sign you may notice is that the sprinkler valves are not opening and closing as they should. This could be because the controller is not sending the proper signal to the valves. If your controller is old and outdated, it may not be able to control the valves correctly. In this case, you may need to replace the controller with a newer model.

Timer Not Working As It Should

Another sign of a faulty lawn sprinkler controller is that the timer is not working properly. This could be because the timer has been damaged or is not functioning at all. If you notice that the timer is not counting down or is stuck in one place, it’s a good indication that the controller is malfunctioning.

If you notice that your sprinkler is not turning on and off at the set times, this could be a sign that the controller needs to be correctly programmed. It’s essential to ensure the controller is programmed correctly so that the sprinkler turns on and off at the right times.

Strange Noises and Burning Smell

If your controller is making strange noises or is emitting a burning smell, it’s a sign that it’s overheating and needs to be replaced. Overheating is often caused by an electrical problem, so it’s best to have an electrician check it out before attempting to repair it yourself.

Lawn Not Getting Enough Water

Finally, if your lawn is not getting the amount of water it needs, likely, the controller is not functioning correctly. Check the controller’s settings and make sure that the timer is set correctly and that it’s correctly programmed. If the settings are correct and the controller is still not giving the lawn enough water, it likely needs to be replaced.

By knowing the signs of a faulty lawn sprinkler controller, you can help keep your lawn in optimal condition. If you notice any of the signs shared above, it’s vital to repair or replace the controller as soon as possible.


Awareness of the signs and symptoms of a faulty lawn sprinkler controller is important. If your sprinkler system is not operating correctly, it is best to check for the signs shared above. You should also examine the controller for any loose connections or signs of physical damage. To properly diagnose any issues, you should refer to the manufacturer’s instructions and consult a professional if you cannot figure out the cause of the problem. With proper care and maintenance, you can ensure that your lawn sprinkler controller remains in good working condition and continues to provide you with the most efficient performance.

If your controller is not working correctly, it is best to contact a professional that offers sprinkler system repair services in your area.

Extreme Irrigation & Lawn offers reliable sprinkler system repair and installation throughout the Tulsa area. Get a quote for sprinkler controller repair services today!