Bosch Building Technologies

    Showing results for 
    Search instead for 
    Did you mean: 

    Security: Intrusion

    Sort by:
    ‎06-25-2018 07:47 PM
    How to: Determine if the D125B can be used with the D4412 or D6412.
    View full article
    ‎06-15-2018 02:13 PM
    How to correct the D132A supervision point not showing normal circuit status.  Cannot get the onboard point from the D132A module to show normal circuit status. D132A,D4412,D6412,DS7220,DS7240,D2212
    View full article
    ‎06-12-2018 10:43 PM
    How to correct when the Independent Zone Controller point never restores to normal. The panel point that uses a D279 or D279A never shows normal even though the Independent Zone Controller points are all normal. D279A,D279
    View full article
    ‎06-05-2018 07:24 PM
    How to troubleshoot the panel only operating from Battery but not AC when a D928 is connected. The panel is working but Command Centers read Service AC Fail. The A/C input voltage to the panel is correct but when the battery is removed the panel shuts down.
    View full article
    ‎05-17-2018 04:45 PM
    How do I send a supervisory using the D185 when both of the onboard relays have been used on the D7024 panel? D7024,D185,D7053
    View full article
    ‎05-22-2018 04:03 PM
    What is the correct part number of the printer module for the D9412 and D7412? D9131A,D9412G,D7412G,D7212G,D7412,D9412,D7212,D9412GV2,D7412GV2,D7212GV2,D9412GV3,D7412GV3,D7212GV3
    View full article
    ‎06-25-2018 03:50 PM
      Issue The D192G panel zone (point) is in trouble and the yellow LED is not on. Solution With the zone/point in trouble and No Yellow LED On there is a wiring fault. One of the following terminals do not have power connected to them. External Power In (EXT PWR IN) Auxiliary Power In (AUX PWR IN) Terminal 1 (AUX PWR IN) 13.75 VDC Terminal 2 (Common) Terminal 3 (Supervised Zone / Point) 2.50 VDC Normal Condiction < 1.50 VDC In Trouble Condiction Terminal 4 (Trigger) 13.75 VDC  In Alarm Only Terminal 5 (External Power In) 12 VDC or 24 VDC Depended on needed Output for the NAC's or Power Supply Terminal 6 (Common) This is the Common from an 24 VDC External Power Terminal 7 (Positive Alarm Output) Terminal 8 (Negative Alarm Output)
    View full article
    Top Contributors