Reset your Mill WiFi heater by conducting the following routine:
1. Turn off the heater. The heater’s ON/OFF switch on the right side of the device.
2. Push and hold in the settings button while simultaneously turning on the heater. Older Wifi heater’s settings button be marked with an F.
3. When the display lights are blinking you can release both buttons. The blinking lights indicate the heater has been reset.
4. The heater will start at the standard temperature 22 degrees Celsius.