Rain Bird ESP-6: Cycles Twice Instead of Once - Extra Start Time

Rain Bird ESP-6 runs all 4 zones correctly at 6:45 AM, then immediately repeats the cycle. Only zone 1 programmed (10 min), zones 2-4 set to 0.

Cause: Multiple Start Times Programmed

Check Start Time 2 and Start Time 3 in the programming. If you have:

The controller runs the full program at each start time. After first cycle finishes (~6:55), second start time triggers immediate repeat.

Controller microprocessor damaged - replace with ESP-RZX or ESP-TM2.

Irrigation: Rain Bird Drip Zone Runs Constantly: Diaphragm Replacement Needed; Rain Bird ESP-6TM Won't Turn On Zones, Valves Stuck Open: Valve Mechanical Failure; Rain Bird ESP-8Si: "PR Off" Display and Repeatedly Blowing Fuses; Sprinklers Won't Shut Off? Valve Stuck Open — Not Controller; Rain Bird ESP-6 Zone 4 Stuck On: Valve Diagnosis; Zone Won't Shut Off: Stuck Valve Diagnosis & Repair; Sprinkler System Won't Shut Off: Valve or Controller Fault?; DIY Rain Bird ESP-6TM to SST-600i Controller Replacement; Sprinkler Head Won't Shut Off – Valve Repair Guide; Sprinkler Valve Won't Shut Off: Flow Control Adjustment

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