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Ashley EnglishAug 7, 2025
What to do if Common Trouble LED stays on after connecting the batteries in Mircom FA-101T Security System?
- DDaniel MontesAug 7, 2025
If the Common Trouble LED remains illuminated after connecting the batteries, inspect the front panel for specific LED indicators. Check if the Battery LED is on, which suggests the battery voltage might be insufficient (below 20.4V). Also, check the Ground Fault LED, which indicates a ground fault in the extended wires. Furthermore, inspect the Zone Trouble LED for open loops or if a signal silence switch is in the OFF normal position. Finally, check the Signal Trouble LED for open loops or shorts in the signal zone.
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