What does 4 beeps on a carbon monoxide detector mean?

Related questions

1. What is non dispersive?
2. What is the range of FTIR?
3. What is a dispersive wave?
4. How long do co2 sensors last?
5. Do water waves require a medium?
6. How does NDIR gas analyzer work?
7. What is KBr?
8. What do I do if my carbon monoxide detector beeps?
9. What are the advantages of FTIR?
10. What is dispersive and non dispersive medium?

Tags

1. #batteries
2. #minute
3. #carbon
4. #emergency
5. #should
6. #monoxide
7. #replace
8. #beeps
9. #pause
10. #detected
11. #every
12. #battery
13. #alarm
14. #fresh
15. #means