Hardie RD-1200 Dead Display: Replacement Options

Hardie RD-1200 shows no display after battery replacement. System installed ~2006. Need replacement source.

Before Replacing

1. Verify power reaches controller (24VAC at transformer output)
2. Reseat ribbon cable between faceplate and base
3. Power cycle: off 1 minute, back on

Replacement

Hardie = Irritrol now. Direct replacement: Irritrol RD-1200 (~$210 at Sprinkler Warehouse). Same wiring, same mounting—plug-and-play swap.

Modern Alternative

Consider Rain Bird ESP-TM2 or Irritrol Rain Dial RD-900-INT for better features, easier programming, and current support at similar cost.