I have erased all four (A,B,C,D) programs. Set 8 of the 12 stations to come on in the A program @ 5:30AM. But they all started coming on again a few hours later! Is the unit haunted?
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Well that's the problem right there. You don't need to set 8 start times. That's why it runs over n over again.
Just set one start time at 530 am and the valves will run in sequence when it comes on.