A user reports that their Rain Bird ESP‑TM controller only shows the hour when setting the clock; after entering the hour it jumps to zero and never displays minutes or AM/PM. This behavior has been observed in the field with this model.
According to the owner’s manual, an electrical power surge exceeding the controller’s built‑in surge protection may have damaged the microprocessor. To test: unplug the controller, remove the battery, wait two minutes, reinstall the battery, and plug the unit back in. If the display reads properly, the surge caused no permanent damage. If the display still malfunctions, the controller is permanently damaged and must be replaced.
Suitable Rain Bird replacements include the ESP‑RZX, STP Plus, or ESP‑Me.
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