Check fire system is a system for announcing fire from control and operational points to armament units of the boat. This system includes two relay and control panel parts so that there is a button on panel unit proportionate to each relay. Panel unit includes 12 buttons with LED indicator operated when fire is announced. One of these 12 buttons is responsible for resetting all the alarms. Relay unit is considered as the alarms receiver in needed sections of the boat. Maximum 5 relays can be used so that each one supports 4 alarms and totally 20 alarms. Panel unit can be installed as on both wall and console.