After power outage and battery change, four zones flash OFF and don’t run.
Flashing OFF indicates a short/electrical malfunction on that valve circuit. Most likely a shorted solenoid – replace it.
Enki Controller "NO AC" on Manual Start: Solenoid Short or Controller Fault
Rain Bird ESP-TM Clock Display Shows Only Hours, Resets to Zero
Hunter SRC Plus Unreliable After 6 Years: Replace Controller
Hardie Controller Shows Short on All Stations—Solenoid Testing
Rain Bird ESP-4 LCD Display Garbled—Panel Replacement
Hunter XC Controller No Display After Power Outage: Reset and Power Checks
Watering Tomatoes in Erratic Weather: Container vs. Ground Rules
Hardie Total Control "Short" Error – Controller or Solenoid #6
Three Zones Activate Simultaneously on Orbit Controller
Hardie 9-Station Controller Runs Extra Cycle: Check Other Programs
Sporadic Watering: Timer Shows Run but Heads Don't Pop
Understanding Program Display on Toro Gatekeeper 212 Controller
Controller Displays "Short": Finding the Electrical Fault
Short Retaining Wall Blocks: Gravel Base and Weed Fabric Required
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