![City of Carlsbad on Twitter: "Do you know the difference between a smoke alarm and carbon monoxide alarm? 3️⃣short beeps means smoke or fire. 4️⃣short beeps means carbon monoxide is detected. Either City of Carlsbad on Twitter: "Do you know the difference between a smoke alarm and carbon monoxide alarm? 3️⃣short beeps means smoke or fire. 4️⃣short beeps means carbon monoxide is detected. Either](https://pbs.twimg.com/media/FBCc_TkWQAMLnWD.jpg:large)
City of Carlsbad on Twitter: "Do you know the difference between a smoke alarm and carbon monoxide alarm? 3️⃣short beeps means smoke or fire. 4️⃣short beeps means carbon monoxide is detected. Either
Groveland Fire Department Urges Residents to Consider Safety Tips and 'Learn the Sounds of Fire Safety' During Fire Prevention Week - Groveland Fire Department
![Kidde Combo photoelectric smoke/C0 alarm going off every hour… will beep twice. Say fire twice. Beep again. Then stop. : r/firealarms Kidde Combo photoelectric smoke/C0 alarm going off every hour… will beep twice. Say fire twice. Beep again. Then stop. : r/firealarms](https://preview.redd.it/kidde-combo-photoelectric-smoke-c0-alarm-going-off-every-v0-p3dtirm3z3z91.jpg?width=640&crop=smart&auto=webp&s=c3b00bcd07aa636d0ca4b2ac0d74a625c0900ec7)
Kidde Combo photoelectric smoke/C0 alarm going off every hour… will beep twice. Say fire twice. Beep again. Then stop. : r/firealarms
![City Of Lynn Fire Dept. on Twitter: "Day 3 - #FirePreventionWeek "Learn the Sounds of Fire Safety" * Beeping - Three continuous beeps means there is a fire emergency. Four quick beeps City Of Lynn Fire Dept. on Twitter: "Day 3 - #FirePreventionWeek "Learn the Sounds of Fire Safety" * Beeping - Three continuous beeps means there is a fire emergency. Four quick beeps](https://pbs.twimg.com/media/FA777DoX0AIdaXY.jpg)