Self-Support

Firex Smoke Alarm 120-538B



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  • Posted by dwdgary on Feb 16th, 2014 at 1:24pm

    need reset instructions
    need reset instructions
  • Posted by albert.r.strain on Aug 28th, 2013 at 1:04am

    the three wires (white, yellow, and black) white 1
    the three wires (white, yellow, and black) white 120vac - yellow alarm - black 120 vac ground/
  • Posted by shelties1 on Dec 22nd, 2012 at 12:07pm

    reset smoke alarm
    reset smoke alarm
  • Posted by ellisfanatic on Aug 24th, 2011 at 9:15am

    firex120538b
    firex120538b
  • Posted by arnoldrhudson on Sep 14th, 2008 at 7:48pm

    Please help find the manual for this Firex Smoke Detector

Can You Help With These Problems?

  • Posted by nova1969b on May 27th, 2013 at 6:36pm

    need a replacement for a discountuied Firex 120-53
    need a replacement for a discountuied Firex 120-538b alarm that is compatible with all the other firex alarms in house
  • Posted by tracy.head on May 12th, 2013 at 10:19am

    Changed battery but light flashes red
    Changed battery but light flashes red
  • Posted by avg_kohler on Feb 16th, 2012 at 10:58am

    My house, built in 1996, has hard-wired Firex 120-
    My house, built in 1996, has hard-wired Firex 120-538B smoke alarm. Since buying uit in Sept 2008, I had to replace batteries once. Today the 3 upstairs detectors started to beep, indicating low battery. Replaced all 3 with new Rayovac. 2 of the alarms started to beep again after about 10 mins, with a yellow light flashing next to the permanent green. Had to remove these alarms to be able to live. Please advise what is wrong.
  • Posted by jean.k.kash on Feb 1st, 2012 at 10:24am

    New Battery - alarm still beeps
    I have replaced the battery inside this alarm but it continues to beep. It has a green light. The other alarm in the house has a red light and does not beep at all. Please help make some sense of this. Thanks, jean
  • Posted by tom.panzer on Dec 4th, 2011 at 9:24pm

    what causes all 120-538B alarms to sound off simul
    what causes all 120-538B alarms to sound off simultaniously?
    killing power at the circuit breaker box does not shut them off.
    removing one device from the circuit will silence all of the alarms.
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