NFIRS 5.0 Element: ‘Detector Failure Reason’

Définition : The reason why the detector failed to operate or did not operate properly.
Purpose : Information on why automatic detection equipment did not operate is important to the evaluation of detection equipment and can be used to improve reliability or installation of detectors.
Entry : Check or mark the box best describing why the detector failed to operate or did not operate properly.

Element Specification

 Specification   Value 
Requirement Optional
Expected Length 1
Element Type Coded Field – The coded field relating to an entry in the code table. Most coded fields allow for Plus+ One codes. For these fields the expected length of the coded entry is depicted as (National length OR Plus+ One length). Only fields with this notation in the expected length column allow for Plus+ One definitions. If the user has not provided information, an empty field should be transmitted.


Here are the NFIRS codes for the ‘Detector Failure Reason’ element

Detector Failure Reason  Code 
Power Failure, Hardwired Detector Shut Off, Disconnect 1
Improper Installation or Placement Of Detector 2
Defective Detector 3
Lack Of Maintenance, Includes Not Cleaning 4
Battery Missing or Disconnected 5
Battery Discharged or Dead 6
Detector Failure Reason – Other 0
Undetermined U

Topic: NFIRS

Last Updated on March 25, 2023