Days of week
Current time /
Alert / Fault
Schedule On: Programmed schedule is active.
Schedule Override: Active until next scheduled period
starts or the timed override duration has ended.
Schedule Off: Programmed schedule is turned off.
Low Battery: Power has reached approximately 10% - flashes
when critically low (see Changing the Batteries).
Heat Demand: Room temperature is below setpoint - indicating
there is a demand for heating (boiler activity might occur).
Wireless Signal: Thermostat (T4R only) is connected to the Receiver Box.