Final answer:
The student was displaying a lack of understanding about how their sprinkler system works and should have closed the valve to shut off the water flow. The electrical circuit controls the system activation, while the valve controls the water flow.
Step-by-step explanation:
Based on the information provided, it seems that you were displaying a lack of understanding about how your sprinkler system works. Instead of trying to turn off the electrical circuit, you should have closed the valve to the water. The valve controls the flow of water into the sprinkler system, so closing it would effectively shut off the water supply to the zone that was not shutting off.
By closing the valve, you prevent water from flowing into the zone, regardless of whether the electrical circuit is still active or not. Sometimes, the valve itself can become faulty or stuck, causing water to continue flowing even when the electrical circuit is turned off. In such cases, you may need to repair or replace the valve to fully resolve the issue.
Remember, the electrical circuit controls the activation of the sprinkler system, while the valve controls the flow of water into the system. It's important to understand both components and how they interact to properly operate and troubleshoot your sprinkler system.