Signals on the smoke sensor

  • Updated

There are several different signals on the smoke sensors. The most common are flashing lights on the ring around the button.

Red light

red_short.gif Short flash: Sending signal. This means that it sends a message to the central. This is completely normal and will happen several times a day. Rapid flash: Alarm signal.

red1.gif Flashes every second: Silent alarm.

red2.gif Flashes every 2 seconds: During warm-up and calibration.

Yellow light

yellow1.gif Flashes every second: Calibration failed.

yellow5.gif Flashes every 5 seconds: Self-diagnosis failed.

yellow45.gif Flashes every 45 seconds: Low battery.

Orange light


Flashes every 4 seconds: Critical low battery, replace immediately.

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