On power up, the unit will emit 3 flashes during the self test, then:-

If the temperature is above 4.5°C (40.1°F), all you will see is a very brief and dim flash every 5 seconds.

This is the unit “Heartbeat” which tells you the unit is alive and checking the temperature.

Below 4.5°C (40.1°F), the LED is on continuously.

If temperature is between 3.5 & 4.5°C, (38.3 & 40.1°F) the LED will pulse 4 times every 10 seconds.

If temperature is between 2.5 & 3.5°C, (36.5 & 38.3°F) the LED will pulse 3 times every 10 seconds.

If temperature is between 1.5 & 2.5°C, (34.7 & 36.5°F) the LED will pulse twice every 10 seconds.

If temperature is between 0.5 & 1.5°C, (32.9 & 34.7°F) the LED will pulse once every 10 seconds.

If temperature is below 0.5°C, (32.9 °F) the LED will show a steady light.

The unit begins the warning at 4.5°C (40.1°F) because, even though the air temperature is above freezing, any parts of the road that have been in shade during the day, may well be at freezing point and ice may have formed. So, the moment the device issues a warning, you should treat it seriously.

How does it work ?

ICEwatch is especially designed for motorcycles, with a microprocessor continuously monitoring the surrounding temperature. The ICEwatch has a external sensor that can be mounted away from the warm parts of the motorcycle for accurate measurement.