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Water Master 57161: Valve Turns On Briefly Then Repeats Every Minute

On Auto or Manual, the programmed valve runs for a few seconds, shuts off, and repeats every minute. Voltage at controller and valve is steady until shutoff.

Possible Causes

Pump or master valve wired to the controller is cycling (check for wire on “Pump” terminal).
If no pump/master valve, voltage drop at the valve indicates a field‑wire or connection issue.

Verify voltage at the valve solenoid during the brief on‑time; if it drops, trace the field wiring.

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