Question
When my system is set to water Tuesday, Thursday & Sunday, it waters on other days also.  I even put it on rain, and the water came on today.  Thank you for your help.

Answer
Hey Beatrice, you probably need to replace your controller. Before you replace it, you might try taking the battery out of the controller, then disconnect the power for about 1 minute, and then turn the power back on, and then program it without the battery and then see if it works when it is supposed to come on. If it doesn't work like it should, then replace the controller. Thanks and have a great day.