IT500 Wireless Thermostat | 7.2 Common Issues | Help Center
7.2.1. Yellow light on the Receiver - Failsafe Mode
7.2.2. My receiver has a flashing blue light, what does this mean?
7.2.3. My Heating does not come on.
7.2.4. My iT500 buttons are not working.
7.2.5. Where can I find my Device Code or STA Number
7.2.6. Red light on the Internet Gateway
7.2.7. My Firmware Update has Failed
7.2.8. App says my iT500 is 'Offline'.
7.2.9. How do I remove the Padlock Symbol
7.2.10. How do I register my device on the App
7.2.11. What is my Gateway and how is it setup ?
7.2.12. My device is already registered / connected.