It’s essential to address false alarms promptly to ensure the reliability of your fire alarm system. Several factors could contribute to false alarms with the System Sensor 2151. First, check for any environmental factors such as dust or humidity that might be triggering the detector. Ensure that the detector is installed correctly and securely mounted. Additionally, inspect the wiring connections to ensure they’re tight and secure. If the issue persists, it could indicate a faulty detector that needs replacement. Contact a qualified technician to conduct further diagnostics and resolve the issue efficiently.