Outdoor KwikDial: blank LCD, system works but can't program. Can't access wiring (outdoor mount).
Controller failed. Replace with modern unit (Rain Bird ESP or Irritrol Rain Dial).
Irritrol Rain Dial RD1200 Button Failures – Panel Replacement
Rain Dial 600 Shows "16F" - Won't Reset or Run Manual
Two Zones Dead After Wire Repair? Check Valve Voltage & Water Supply
KwikDial Controller: All Zones Show Voltage Simultaneously—Controller Failed
Irritrol KD-6 Won't Start—Blank Display Recovery
Toro Greenkeeper 212: Low Pressure & Wrong Zone Order
Rain Bird RC7BI: 26V at Solenoids But No Operation — Check Diaphragms
Broken Poly Nipple – When to Dig and Replace
Zone 2 Works Without Pump, Fails With Pump – Relay Interference
Irrigation System Runs with Controller Off: Mainline Break or Stuck Valves
Single Zone Not Working: Valve & Solenoid Troubleshooting
4-Zone Sprinkler: Zone 3 Dead, System Cycles Endlessly
Rain Bird E-9 Controller Dead After Power Outages: Reset and Diagnostic Steps
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