false alarm

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false alarm

noun deception, fabrication, fake, false alert, false arrest, false danger signal, false notice, false notification, false signal, false warning, fraud, sham
See also: hoax
References in periodicals archive ?
They also mean that fire crews who attend these false alarms are not available to attend life threatening incidents, undertake critical training or work in the community to prevent fires from happening in the first place.
34, Maui County Code, to provide services to issue and track alarm system permits, perform regular billing for false alarms, collect revenue from false alarm billings, collect revenue from delinquent alarm system users and provide service through electronic means etc.
Although the impact of false alarms--or the "cry wolf" effect--has been widely discussed, evidence remains unclear about how people's experience of false alarms affects their trust in weather warnings.
Some 29 of the 50 calls received during the strike were from automatic fire alarms, many of them false alarms.
The LFB said the worst offender in 2012-2013 was St George's Hospital in Tooting, with 136 false alarms.
These image processing algorithms are so discriminating that the detector is immune to false alarms.
Despite the huge number of fire detection options currently available, devising a system for the pharmaceutical sector that will give the necessary speed of response without creating maintenance problems or generating an unacceptable level of false alarms is far from easy.
There were 173 false alarms across City, in Winson Green, and Sandwell Hospital, in West Bromwich, during 2009.
Bosses are also reducing the number of crew that attend callsouts they believe may be false alarms.
The service responded to a staggering 3,146 false alarms, between April 2008 and March 2009.
Then, as now, authorities complained that too many false alarms were draining resources away from real emergencies.
They now have just over two months to install the expensive new audio verification technology police believe is needed to reduce the number of false alarms caused by staff pushing panic buttons for the 'wrong' reason such as antisocial behaviour outside stores.