[SOLVED] PROBLEM: DC MOTOR DRIVER 24V 43A + Arduino UNO

Now it works perfectly!!

Thank you very much dc42!

correct Arduino code :

// Arduino code for the H_BRIDGE

int LPWM = 9; // H-bridge leg 1 ->LPWM
int enL = 8; // H-bridge enable pin 1 -> L_EN

int RPWM = 6; // H-bridge leg 2 ->RPWM
int enR = 7; // H-bridge enable pin 2 -> R_EN

void setup()
{
Serial.begin (9600);
pinMode(LPWM, OUTPUT);
pinMode(RPWM, OUTPUT);
pinMode(enL, OUTPUT);
pinMode(enR, OUTPUT);

digitalWrite(enL, HIGH);
digitalWrite(enR, HIGH);
}

void loop()
{
analogWrite(RPWM,100); //pwm value
digitalWrite(LPWM, LOW);

}

Thank you all!