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    missiondc's Avatar
    missiondc Posts: 4, Reputation: 1
    New Member

    Jan 27, 2010, 01:19 PM
    My bldg. fire alarm smoke detector zone keeps giving an alarm even when board is rese
    Want to troubleshoot my fire alarm system having trouble with my 5th floor smokes they keep giving an alarm when there is'nt one could it be my end of line resistor? What could it be? Need a starting point.
    tkrussell's Avatar
    tkrussell Posts: 9,659, Reputation: 725
    Uber Member

    Jan 27, 2010, 03:34 PM
    The EOL only provides a current flow to prove the circuit is working. Could be a tripped or defective/dirty detector. You can remove one detector at a time to see if one is tripping out to general alarm.. You will get a trouble alarm because a detector is missing.

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