Does the 3iE have a battery backup?

Further Questions?

Programming
- How do I test a Warmup Underfloor Heating system floor probe?
- How do I set or change the time on the Warmup 3iE Energy-Monitoring Thermostat?
- How do I set or change a date on the Warmup 3iE Energy-Monitoring Thermostat?
- How do I set a weekday and weekend programme on the Warmup 3iE Thermostat?
- How do I set a standard programme on the Warmup 3iE Energy-Monitoring Thermostat?
- How do I override the temperature on the Warmup 3iE Energy-Monitoring Thermostat?
- How do I make use of the energy-monitoring function on the 3iE Thermostat?
- How do I edit the cost per KWH on the Warmup 3iE Energy-Monitoring Thermostat?
- Why is my 3iE coming on during off periods?
- What is Active Energy Management?
- When Should I Select? Air vs. Floor when Programming my thermostat?
- How can I change from Celsius to Fahrenheit on my thermostat?
- Why can’t I program my 3iE to read air temperature?
Troubleshooting
- Why is my 3iE coming on during off periods?
- How many sensor settings does the 3iE have?
- What Does Heater Error mean on the 3iE thermostat?
- 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?
- Does the 3iE have a battery backup?
Wiring
- What size back box should be used for Mounting a 3iE/4iE thermostat ?
- Can I upgrade my 3iE to a 4iE?
- Where do I connect the earth from the underfloor heating ?