Try power cycle (1 min off). Then locate two metal contacts above terminal #6 on back. Bridge with screwdriver to reset.
Microprocessor dead. Replace with Irritrol Rain Dial (better than KwikDial).
Toro TMC-212 LCD Partial Display: Power Cycle or Replace
Rain Bird RC-7A Not Watering: Controller vs. Valve Diagnosis
Irritrol RD-900 Blinking Display: Replace Panel or Repair
Diagnosing Toro Turf Pro 6 "FUSE" Error After Lightning Strike
Hunter Pro-C No Zones Run: Transformer Failed (0.02V)
Irritrol 1200: Manual Start Not Working Despite Display Functioning
Hunter Pro-C: Blank Screen After Storm, 5 Years Old
Reviving or Replacing a Legacy Hardie HHA 11272 Controller After Power Outage
Irritrol Total Control "Short" Error on All Zones – Pump Relay or Controller
Low Voltage at Solenoids (15V) – Controller or Field Wiring Fault
Hardie RD-1200 Blank LCD: Troubleshooting Power & Display Issues
Copyright © www.100flowers.win Botanic Garden All Rights Reserved