The heat detectors have no outward indication of their alarm state. Check both of these rooms. If you are a manager, you know if you are in charge. Another document address how to reset the system. There are several components to the fire system.
Smoke interrupts a beam of light to activate.
Sometimes dust or spider webs can cause this unit to cause a false alarm. Heat Detectors Small white circle in the middle of the photograph. This unit works like a thermostat. When the temperature reaches a predetermined point, the unit transmits a signal to the control panel. Manual Pull Station, General Just pull the level down.