STM32CO11 DELAYS NOT WORKING

 if(Mains>0.1)

	 	 	 	{
	 	 	 		if((Mains<1) &&(Vbat>0.9))
	 	 	 		 	 {
	 	 	 			TIM1->CCR4=TIM1->ARR;
	 	 	 			 HAL_TIM_PWM_Start(&htim1,TIM_CHANNEL_4);
	 	 	 			 Set_LED(0);
	 	 	 			 Batt_Chrge(0);
	 	 	 		HAL_Delay(1000);
	 	 	 		 	 }
	 	 	 		 else
	 	 	 		 	 {
	 	 	 			TIM1->CCR4=0;
	 	 	 		 HAL_TIM_PWM_Start(&htim1,TIM_CHANNEL_4);
	 	 	 		 Batt_Chrge(0);
	 	 	 		 	 }
	 	 	 		if((Mains<0.1)&&(HAL_GPIO_ReadPin(GPIOA,GPIO_PIN_6)==GPIO_PIN_SET))
	 	 	 		 {
	 	 	 		 	 TIM1->CCR4=TIM1->ARR/2;
	 	 	 		 	 HAL_TIM_PWM_Start(&htim1,TIM_CHANNEL_4);
	 	 	 		Batt_Chrge(0);
	 	 	 		 }

	 	 	 		else if((Mains<0.1)&&(HAL_GPIO_ReadPin(GPIOA,GPIO_PIN_6)==GPIO_PIN_RESET))
	 	 	 		 	 {

	 	 	 		 	 TIM1->CCR4=TIM1->ARR;
	 	 	 		 	 HAL_TIM_PWM_Start(&htim1,TIM_CHANNEL_4);
	 	 	 		 	 Batt_Chrge(0);

	 	 	 		 	 }
	 	 	 	}
	 	 	 	/*REST OF MY CODE*/
	 	 if((Mains<0.1)&& (TIM1->CCR4 == 0))
	 	 {
	 		 	count++;
	 			 if(count>=50)

	 			 {
	 				 Enter_sleep();
	 			 }

	 	 }

hi can anyone please let me what is wrong ,these code should be worked only detecting the mains as after Mains>0.1 if interruptions occur it should start again only after mains>0.1.I have also configured SYSTICK but I am not  sure why my delay is not working .