There are routine safety and maintenance steps that you should follow once a month. Review your owner's manual for the door opener. If you do not have an owners manual, look for the opener model number on the back of the power unit and request a manual from the manufacturer.
Take a few minutes to inspect and test your complete garage door system. Make monthly inspection and testing a part of your regular routine. Safety is everyone's business. Make garage door and garage door opener safety automatic in your home.