Solutions may help you:
1. If the timer dial is not set to AUTO, turn the dial to AUTO position.
2. If low battery indicator flashes, replace with new batteries.
3. If rain delay is on, long press DELAY button for 3 seconds with the dial at AUTO TO CANCEL RAIN DELAY.
4. If CLOCK, START TIME, HOW LONG, HOW OFTEN are set incorrectly, turn the dial to each position and ensure all setups are correct.