Irritrol RD-900 Runs Daily Regardless of Schedule—Factory Reset Needed

RD-900 runs every day despite skip days or day settings. Unplugged/reprogrammed multiple times. 1997 model, no "Spl Func" key.

Complete Reset

coastwaterworks.com — look under Rain Dial.

This clears all memory corruption causing phantom daily runs.

Irrigation: Irritrol MC-6 "Error 2": Internal Hardware Fault; Irritrol KwikDial Shows “INT” and Reverts to Daily Watering; Replacing 20-Year-Old EZ-1 Timer (Rain Bird ESP Series Recommended); Troubleshooting a Dead KwikDial Irritrol Controller After Transformer Replacement; Hardie RD-1200 Eating Batteries & Losing AM: Replace Panel; Rain Bird ESP-1: Only Zone 6 Works — Check Common Wire; Toro ECx Timer Won't Stay Off: Causes and Fixes; Irritrol KwikDial Blank LCD Outdoor—Power Cycle Reset; Hardie Timer Starts at 7:00 AM Daily Despite Programming; Hardie HR62000 Blowing 2-Amp Fuses

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