How to fix low battery on Tyco Security Products DSC Power?
- JjfoleyAug 16, 2025
If the main panel battery is less than 7.2VDC, and you get a low battery warning, give a new battery 24 hours to charge. Check that the voltage across the AC terminals is between 16-18 VAC, and replace the transformer if needed. You may also try disconnecting and reconnecting the battery leads.