Hp prodesk 400 g1 mt 2 times red light and beep

Hello,

My computer is hp prodesk 400 g1 Mt it shows red light error and 2 times it blinks red light with 2 long beeps I can't understand what the problem is it blinks only two times red light with beep and hp blink light diagnosis document does not contain it

Android / Chrome 103.0.0.0