12 13TroubleshootingFAULT ACTIONCentral Heatingwill not switchONCheck that central heating is set to be ON or is in aprogrammed on period or the override is OnCheck that the target room temperature is set to be higher thanthe actual room temperatureCheck that the power to the boiler is switched on.For Logic boilers ensure that the mode knob is on.For Vogue system boilers ensure that the and knobs arenot rotated fully anti-clockwise.Check that the light on the relay transceiver is on, if not checkthere is mains supply to the relay transceiver.If is shown on the room thermostat, and when the screen ispressed the message zone 1 fault is shown then either the roomthermostat is too far away from the relay transceiver or there isunsuitable material in between the relay transceiver and the roomthermostat. Refer to location guidelines on page 8.Change the batteries in the room thermostat.If the relay transceiver light is off then check if the wires fromthe relay transceiver to the boiler and then onto the boiler PCB aresecurely connected.Check that there is 230V to the zone valve (from relay transceiverR/S On connection).If no response, to previous actions, isolate power to boiler andheating system and return to step 1 page 8.Central Heatingwill not switchOFFCheck that central heating is set to OFF or is in aprogrammed Off period and that the override is off.If is shown on the room thermostat, and when the screen ispressed the message zone 1 fault is shown then either the RoomThermostat is too far away from the relay transceiver or there isunsuitable material in between the relay transceiver and the roomthermostat. Refer to location guidelines on page 8.Change batteries in the thermostat if no display. Change batteriesif low battery text displayed.If no response, to previous actions, isolate power to boiler andheating system and return to step 1 page 8.Using the Ideal Touch thermostatRotate to boosttemperatureTap to changeheatingoperating modeFlame symbolindicates heating onActual roomtemperatureTarget roomtemperatureActual roomtemperatureTap to changehot wateroperating modeTap to accessmain menuOVERRIDEHEATINGHEATINGSCHEDULEOVERRIDEHOT WATERHOT WATERSCHEDULE