Zone 3 Runs With All Others: Wiring Cross or Pump Start Wire Fault

Zone 3 On During Every Zone; Valve Replaced, Wire Disconnected at Controller, Still Runs

Fault in field wiring: hot wires touching, or Zone 3 wire crossed with pump start/master valve wire (which energizes whenever any zone runs).

Run new wire from controller to valves (test above ground first). Finding buried fault often takes longer than rewiring.

Irrigation: Rain Bird ESP-8LXi+ Zone 1 Valve Stays Open: Controller or Wiring Fault?; Nelson Controller: Zone 2 Runs With Every Other Zone — Wiring or Valve Issue?; One Zone Feeding a Second Manifold – Master Valve Wiring; Richdel 446PR Zone 2 Not Working—Solenoid Location and Replacement; Rain Bird ESP-LX Running All Zones Simultaneously: Programming and Valve Fixes; One Sprinkler Zone Runs With All Others: Master Valve or Wiring Fault?; One Zone Low Pressure, Pump Cycles – Valve Not Opening Fully; Toro Vision 1 Zone Stays On – Valve Issue, Replace Solenoid/Diaphragm; New Drip Zone Valve Stuck On: Debris from Installation; Rain Bird 100-DV Flow Control Stem Leaking: O-Ring Replacement

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