If the alarm doesn't pick up the sound signal, you probably solve the problem by reactivating the device. Confirm, press and hold (for a few seconds) or the test button on the detector's face. If the alarm rings a few turns and turns off, which means returning to the operating order.

Open the box door and turn on the flashlight to inspect the fuses. Carefully look at each fuse. The window in a good fuse will open.

If the alarm does not capture the sound signal, it is very likely that you have solved the problem by reactivating the device. To confirm, press and hold the test button in your hand (for a few seconds) on the detector's face. If the alarm rings a few times and remains silent, this means your return to operational order.

- The unit de test de sensor de flame portable must activate the flame detector at 3m away in 20 seconds. - The detectors are equipped with internal IR LEDs that can be activated to test the detector optically. (Previous texts apply to ambient temperature detectors under normal factory lighting conditions.

Your smoke detector can start ringing a sign that you should replace the batteries or, a green light turns off the red. Your smoke detector can simply ring an alarm that does not turn off until the ceiling falls and disconnects the wrong battery.