Maintenance cycle of automatic fire alarm system cycle Inspection contents day The function of fire alarm controller should be checked every day. seaso The Action of Detector and the Display of n Confirmation Lamp for Stage and Batch Testing of Special Testing Instrument Acousto-optic display of test fire alarm device Display of alarm function signals such as test flow indicator and pressure switch 1-3 times automatic switching test for main power supply and standby power supply Check the control and display functions of the following fire control equipment 1.Control devices for indoor fire hydrants, automatic 2.The number of electrically operated fire-proof doors and fire-proof rolling shutters shall be no less than 25% of the total number. 3.Layer selection test fire emergency broadcasting 4.Control Device of Fire Emergency Lighting and 5.Controlling equipment for air supply fan, smoke Check the forced landing function of fire elevator Fire telephone and telephone jacks with no less than 25% of the total number are sampled for conversation test in fire control room. Tests of all sounders and manual alarm devices installed by special testing instruments shall be conducted at least once. Automatically and manually open smoke exhaust year valves and close electric fire valves and air conditioning systems All electric fire doors and curtains are tested at least once. Functional Test of Forced Cut-off Fire Power Supply