| Signal tone | Red LED | Function / Meaning |
| No tone | Flashes every 344 sec. | Normal operating state, automatic self-test |
| Loud interval tone at intervals of 0.5 sec. | Flashes every 0.5 sec. | Alarm state |
| Short signal tone every 40 sec. | off | Battery change indicator, please renew detector |
| 3 short signal tones every 40 sec. | off | Fault / contamination, please renew detector |
| No tone | Flashes every 10 sec. | Alarm mute |
| Loud interval tone | Flashes every 0.5 sec. as long as the detector head is pressed | Function test |
What do the tones and red LED on my Smoke smoke detector mean? Imprimer
Modifié le : Ven, 21 Oct., 2022 à 2:04 H
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