Craftsman 139536006. One day it started working again for an hour and has not worked since. I checked the dip switch settings and slid all the switches and returned them to the original matching position.
You will need a new logic board then. We also recommend surge protectors on all openers. 900 joules or more. You can get parts at searspartsdirect.com, click on the contact us icon for help. Of course sometimes when something like this happens it might be a good time to get a new unit, but that is up to you. Thanks BB
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