The problem I am having is on a Chamberlain lifmaster 1/2 hp model 2220. I came home last night and used my remote from the car to open the door. It worked fine. After parking the car in the garage I noticed the lights had not come on. I went to unscrew the bulbs and the second bulb shorted out causing a pop ( bulb detatched from metal screw base of bulb. After that the unit would no go back down. I put it down manually and unplugged it. This morning I tried it again and it will not do anything. It just makes a click noise when you push any of the buttons and then a double click.
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