- Thermostat is Powered ON
- Router is switched ON and internet is connected
- Device is within the Wi-Fi range
- For a malfunctioning valve (in FCU type cooling systems).
- If wiring is in accordance with the installation instructions (for Beanbag Cool 600 thermostat series devices).
- Check your mains power supply
- Check your wiring connections
- Check the ON/OFF button (at the top) status. Amber light indicates it has been turned OFF. Press the button again to turn it ON again.