User Manual Q&AAnswer
Oct 18, 2025 - 12:09 PM
According to the SNM Supervised Notification Module Owner's Manual, the Trouble LED lights up during an open, short, or short-to-ground on the indicating circuit. To troubleshoot this issue, users can follow these steps:
1. **Check Wiring Connections:** Ensure that all wiring connections are secure and properly connected according to the wiring diagram provided in the manual (Figure 1).
2. **Inspect Notification Circuits:** Verify the integrity of the notification circuits for any faults such as opens, shorts, or grounds. Address any issues found in the circuits.
3. **Verify Power Supply:** Confirm that the power supply connected to the module is providing the correct voltage within the specified operating range (9.6 to 14.2 VDC).
4. **Test Trouble Contacts:** Check the Normally Closed trouble contacts to see if they are functioning correctly. If necessary, troubleshoot or replace any faulty contacts.
5. **Review J2 Jumper Setting:** Ensure that the J2 jumper is correctly installed based on the circuit style being used (Style W or X for the jumper to be installed, Style Y or Z for the jumper to be left out).
6. **Consult Tech Support:** If the issue persists after performing the above steps, users can contact Potter Electric Signal Co., LLC's technical support at 866-956-1211 for further assistance and troubleshooting guidance.
By following these troubleshooting steps and referring to the SNM module's manual, users can effectively address any issues indicated by the Trouble LED and ensure the proper functioning of the Supervised Notification Module.
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