How to Troubleshoot the D192G

[#1]

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) and / or 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 Condition < 1.50 VDC In Trouble condition

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)

Part number D192G