Quick Menu Programming Why can’t I program my 4iE to read air temperature? How do I connect the 4iE® to your WiFi? Where do I find my 4iE’s Device Number? When Should I Select? Air vs. Floor when Programming my thermostat? How can I change from Celsius to Fahrenheit on my thermostat? App / Portal How do I add Traffic alerts to my 4ie? How do I add or change the energy costs on the 4iE? Does the Myheating App have Data Protection? How Do I Enable to SmartGeo on the MyHeating App? How do you add a Room using the MyHeating App How do I upload my own background to my 4iE? Troubleshooting The 4iE wont let me set above a certain temperature ? Why is my 4iE coming on during off times? Why is my 4iE Screen blank ? The air temperature on my 4iE is not right 4iE cannot find my SSID WiFi name Does the 4iE have a battery backup? Why won’t my background picture upload on my 4iE? Why does my 4iE thermostat read a percentage? Why is my 4iE connected to Internet But Showing an ‘!’ on the Screen? Why Won’t My 4iE Connect to the Internet? What does it mean if my 3iE thermostat reads “overload” on this display? What does “ER1” on the thermostat display mean? My thermostat reads error message “ER2” on the display? What if my Warmup thermostat screen is black and won’t turn on? Why is my floor not heating but there are no error messages? My thermostat says system is on but the floor is not heating up? When my screen goes dark, will my floor continue to heat? My 3iE/4iE thermostat reads “ER1 Out” on the display? Connecting to Other Services Can the 4iE be used with Alexa? What Home Automation Systems are the 4iE Compatible with? Wiring What size back box should be used for Mounting a 3iE/4iE thermostat ? Where do I connect the earth from the underfloor heating ? Why is my 4iE connected to Internet But Showing an ‘!’ on the Screen? Ensure you have created an account on my.warmup.com and registered the 4iE using the Device Number.