Be sure the opener is plugged in and the garage circuit breaker is in the proper location. Ensure that your door hasn't been manually locked by miscalculation. Should the handheld remote control has batteries and is getting used in the proper range, it may need to be replaced. Universal garage https://rowanvzcgk.frewwebs.com/22151363/the-5-second-trick-for-garage-door-spring-repair