What are the common causes of false alarms?

• A. Four-fifths caused by user error and cause by only 20% of people with alarms
• B. Four-fifths caused by user error; only 20% of users with alarms cause them
• C. Most false alarms are due to weather conditions
• D. False alarms are random with no identifiable cause

Answer: (B)

False alarms are most often tied to how the system is used rather than to the hardware failing or to weather. The idea that about four-fifths of false alarms come from user error reflects real-world patterns: people arming or disarming incorrectly, bypassing zones, false alarms after leaving doors open, or misinterpreting prompts. This shows a strong human factor behind nuisance alarms, which is why education and proper procedure are so important.

The statement about only 20% of users being responsible for false alarms highlights that a relatively small group can drive most of the nuisance alerts, underscoring the value of targeted training and clear user guidelines to reduce repeat incidents. While weather can trigger sensors in some cases, it does not account for the majority of false alarms, and saying they’re random with no identifiable cause ignores the well-documented role of user interaction.