Difficulty: If an open up or small wiring develops inside the circuits that join the initiating units plus the fire alarm panel, or When the system’s cellular phone line link isn’t Operating, the technique will go into a “difficulty” state, which the control panel will Screen. Inquire about any alterations https://buildingmanagementsystems37035.bloggadores.com/26271936/the-fact-about-building-management-systems-that-no-one-is-suggesting