On a Hardie sprinkler system, two stations run together even when set to manual single-station operation.
Each valve requires two wires: a unique hot wire to its numbered controller terminal and a shared common wire to the controller's common terminal. Verify all connections are secure and undamaged. Crossed or shorted field wires often cause simultaneous activation. For a comprehensive wiring guide, see:
Hardie HR6200 Shows “A1” but Station 1 Won’t Run
Replacing 20-Year-Old EZ-1 Timer (Rain Bird ESP Series Recommended)
Rain Bird 9-Zone with Richdel Valves: Only Zone 6 Runs After Heavy Rain
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Sprinkler Zones Running Simultaneously: Controller Troubleshooting
Low Pressure on One Zone: Checking Sprinkler Head Screens, Not Valve Screens
Activating a Toro Vision I System in a New Home: Contact Installer for Start-Up Guidance
Sprinkler Zone Won't Shut Off: Valve Fault, Not Controller
Winterizing a Rain Bird Sprinkler System with Richdel Valves
Hardie Timer Starts at 7:00 AM Daily Despite Programming
Rain Bird Timer Won't Advance Zones: Timing Motor Failed
Troubleshooting a Hardie Rain Dial Sprinkler System That Won't Activate
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