Before programming, locate your Mini Minder E. It is typically mounted in the hallway or near the boiler. The display is an LCD screen with simple icons.
Incorrect clock or stray programming. Solution: Potterton Mini Minder E User Guide
If it’s a cold day in April when your heating is scheduled OFF, press MODE until HEATING shows “ON.” To return to normal, press MODE again until the clock appears. Before programming, locate your Mini Minder E