When several zones run together at low pressure, the issue is usually the controller sending power to multiple stations or a wiring cross. Reset the controller (power off 1 minute). Verify all wire connections at controller and valves. If unresolved, replace the controller.
Rain Bird ESP-8LXi+ Zone 1 Valve Stays Open: Controller or Wiring Fault?
Rain Bird Electro-Mechanical Controller Fails to Start Pump – Upgrade Recommended
Irrigation Pump Short-Cycles After Cycle Completes
Rain Bird ESP-LX: Station 1 Sticks On, Manual Override Fails
Rain Bird RC-7Bi: Zone 3 Valve Won't Open, Pump Dead-Heads and Blows Fittings
Single Zone Failure in 5-Zone System: Electrical Troubleshooting
Lawn Sprinkler Zone Runs Continuously: Valve Diaphragm or Solenoid Failure
Resetting a Rain Dial Hardie Controller (Model P/NHHA11272)
Hunter Pro-C Module Recognition Issue: Secure Expansion Modules Properly
Rain Bird RC-7BI Stuck on Zone: Advance Motor Failed
Toro EL-6A Controller Replacement Leads to Total Failure – Pro Diagnosis Needed
Zone 2 Works Without Pump, Fails With Pump – Relay Interference
Sprinkler Controller Display Dead: Transformer or Fuse Check
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