Rain Bird ESP‑6 Blows Fuse Immediately – Short in Wiring or Solenoid

Fuse blows instantly on replacement. System 4 years old.

Check common (white) wire not touching metal or zone wires.
Measure ohms: black lead on common, red on each zone wire. >20 Ω = shorted solenoid; <60 Ω = open circuit.

Irrigation: Toro/Hardie 100 Series Weeping Valve: Diaphragm Issue, Not Solenoid; Rain Bird ESP‑6: No 110 V Power at Controller – Transformer or Wiring Issue?; Voltage Drop Diagnosis: 26V at Controller, 2V at Solenoid; Rain Bird RC-7BI Stuck on Zone After Power Outage: Motor or Fuse; Toro Vision II Controller Fuse Keeps Blowing: Transformer Voltage Check; Rain Bird ESP-16LX+ Tripping House Breaker: Transformer Fault Diagnosis; Rain Bird PGA Valve Stays On: Beyond Solenoid and Diaphragm Replacement; Rain Bird RC-1260BI Zone 8 Not Activating: Solenoid, Wire, or Diaphragm?; Rain Bird ESP-8TM Intermittent Fuse Blow: Solenoid or Wiring Fault; Why Your Rain Bird ESP-6 Controller Blows a Fuse on Zone 5

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