If the light on the garage door opener comes on, then the opener is getting power and the problem would be in the electrical/mechanical workings of the opener. Be sure to unplug the operator before making any attempt to remove the motor head cover. To avoid the possibility of electrical shock, why not have your garage door opener repair made by a knowledgeable service tech. If your garage door opener is more than ten years old you may want to consider upgrading the garage door opener to one with the latest safety features.
Posted in: Door Openers