Sorry to hear that. It sounds like the controller has a damage. The symptom looks similar to a couple of cases I’ve seen in the past, which were caused by plugging the 24VAC into the COM or Rain Sensor port. I know this is a design issue — the ports all use the same type of terminal block, making it easy to plug to the wrong port. This is being addressed in the next revision, where the 24VAC port will use a terminal block with a different color and pin spacing.
Please send it back to the following address and we will take a look at it. Thanks.
5 Valley Lane
Amherst, MA 01002