The alarm model gives the alarm signal in abnormal condition, it can auto stop the system when serious fault happened, and remind the workers to repair it.

报警模块在系统出现异常情况下可以给出报警信号，且在出现严重故障时系统自动停止工作。

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Do not cancel the alarm. The system cancels the alarm automatically when the fault has been corrected.

不要删除告警。故障被排除时系统会自动删除该告警。

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Control the system locally or remotely based on ICloud network technology. Alarm, fault, status push function.

系统是基于云服务联网技术实现本地或远程设置或控制系统，报警、故障、状态推送功能；

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The second was in failing to warn the new owners, the Michaels, that the fire alarm system had been subjected to filtering while a previous fault was fixed.

BBC: Weston-super-Mare Grand Pier fire: Alarm firm negligent