Fault Analysis and Treatment: the alarm sound from the speaker to determine fault should be in memory.

故障分析与处理：由扬声器的报警声判断，故障应该出在内存上。

youdao

When I saw the smoke, I tried to sound the alarm.

看到烟后，我就设法发出警报。

《牛津词典》

Why are we awakened by the rustling sound of bed sheets on some nights, but oversleeping without paying attention to those alarm clocks that wake others up?

为什么我们在某些夜晚会被床单发出的沙沙声吵醒，却没有理会那些吵醒别人的闹钟声而睡过头呢？

youdao

So when the fire alarm bell rang, men near the sound of the fire bell dropped what they were doing and rushed out to fight the fire.

VOA: special.2009.05.17

If he fails to de-activate the system, a louder claxon alarm will sound.

BBC: Alan Rankin on his yacht Trade Winds

There are certain dangers associated with the operation of home security systems themselves (such as whether the alarm will sound properly when tripped) and the monitoring services related to these systems (such as whether the security company operator and the police will respond quickly).

FORBES: When Your Home Security Company Becomes the Greatest Security Risk

Christina McAnea, head of health at the union Unison, said the report showed the deal was a "dangerous" experiment, which should "sound alarm bells".

BBC: NHS 'must be tougher negotiator' on private deals