APM 2.8 flight controller doesn’t output

i built my first quadcopter f450. APM2.8 flight controller, FS-TH9X transmitter, FS-R9B receiver simonc 30A ESC etc. problem is motors not rotating. if connect receiver into ESC directly motor rotate normally by controller. if connect to flight controller it won’t rotate. i’m sure every thing connected correctly. please help me
one long beep after quadcopter turn on musical tone
it have no telemetry
i can’t do ESC calibration because it doesn’t beep(ESC calibration beep) when i maximize throttle and turn on the quadcopter. i tried to arm but won’t arm. no error message on mission planner