AC POWER LOSS - What It Means & How to Fix It
An AC Power Loss trouble signal indicates that your fire alarm system has lost primary electrical power and is operating on backup batteries. Learn common causes, troubleshooting steps, and when to call a professional.
Low Battery Trouble on a Fire Alarm Panel
A low battery trouble signal on your fire alarm panel indicates that backup batteries may be failing or nearing the end of their service life. Learn common causes, troubleshooting steps, and when to call a professional.