Rain Dial by Hardie (1994, 27631): no display, plugged in, new battery. Lawn dying.
If door left open during rain → logic board (in front panel) likely destroyed.
coastwaterworks.com → Irritrol/Hardie → Rain Dial.
Hardie RD900 Clock Flips AM/PM Daily – Microprocessor Failing
Adding Stations to a James Hardie (Irritrol) Controller: Understanding Station Limits
Rewiring a Hardie RD-900 Without a Diagram
Two Stations Activate Simultaneously on Hardie System
Hardie RD-600 Valves Click but Won't Open – Wiring or Voltage Issue
Toro Vision Controller (1990): Testing and Operation Guide
Choosing the Right Irrigation Sprinkler System for Your Property
Hardie HR6200 Shows “A1” but Station 1 Won’t Run
Locating Buried Irrigation Lines Before Fence/Tree Installation
Rain Bird 9-Zone with Richdel Valves: Only Zone 6 Runs After Heavy Rain
Finding Support for a Legacy Hardie HR6100 Controller in Portland
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
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