Problems with Points
If you incorrectly set the switches on a POPIT you may create both a missing and extra point. When you find a missing point, perform a Service Walk Test to search for extra points. See the Security System Owner’s Manual
Symptom
Diagnosis
Remedy
Point appears as missing at command centers and in reports to the receiver.
POPIT is not connected or incorrectly connected to the data expansion loop.
Verify the a POPIT module programmed for the missing point number is connected to the data expansion loop of the correct ZONEX module. Points 9 to 71 connect to ZONEX module 1. Points 73 to 135 connect to ZONEX module 2.
Meter each POPIT to verify the polarity of the data expansion loop. Voltage should be 9 to 13 VDC at each POPIT.
Points intermittently appear as missing. Points are erratic.
Sensor loop switch (1 to 8) is turned off on OctoPOPIT.
Switch 12 ON for more than one OctoPOPIT connected to ZONEX 1 or ZONEX 2.
Switch 12 ON for OctoPOPIT connected to same ZONEX as a D8125.
POPIT is not programmed correctly.
Problem with data expansion loop.
Debounce Count parameter set at 1. If an
If the sensor loop switch on an OctoPOPIT is turned off for a programmed point, the point reports as missing.
Connect only one OctoPOPIT with switch 12 ON to ZONEX 1 or ZONEX 2.
If ZONEX 1 or ZONEX 2 is connected to a D8125, turn switch 12 OFF for all OctoPOPITs connected to that terminal.
Verify that the switches on the POPIT are set for the missing POPIT number. Switches set incorrectly can cause both missing and extra POPITs.
Performing a Service Walk Test to search for extra points may help diagnose the problem.
See Problems with Data Expansion Loop.
Radionics recommends that the Debounce Count be left at the default of 2.
Decreasing the Debounce Count to 1 may cause points to appear as missing. Increasing the Debounce may cause missed alarms.
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