A set screw determins the ability of a contact is made or broken. I tested the blanket for continuity with my multi meater and the blanket seems fine. An electric blanket will provide toasty warmth even on the most bitter cold evenings. My new Sunbeam blanket won't turn on and keeps flashing F2 at me. First, unplug the blanket from the outlet. Second, check that the control is properly connected to the module. The following link contains the owner's manual for the blanket and it may be useful to you in resolving this problem. Why is my Sunbeam heated blanket not working? The technology allows the blankets to adjust the warmth they provide based on surrounding temperatures. Plug the power cord into the wall outlet. Any help would be appreciated. So how does it work? Sunbeam electric blankets, or heated blankets, include a feature called the ThermoFine Warming System. Before plugging the connector back in look at the recessed pins and make sure they are all the same and one is not lower than the other two. It cannot prevent some blankets from failing to work properly, however. It’s time for a new blanket. Check the connections before throwing out your old electric blanket and buying a new one. If your blanket unexpectedly stops working, some simple troubleshooting may provide an easy solution to your dilemma. If the system still does not operate after 2 or 3 times trying to reset, disconnect the power cord and contact service. Hello all, I'm new here but seems the place to ask. Worked for a couple of weeks and now have blinking light on one side of blanket. I purchased my sunbeam electric blanket about about a month ago and I am having the same problem. I agree that sunbeam needs to do a recall on these blankets. Electric blankets warm the bed through wires than run through the blanket.If your blanket is not working correctly, it's most likely due to a loose connection between the plug, the cord, and the controller. I have a Sunbeam that I bought back in 2008 used it one season packed it away and didn't use again until this winter. I can't take it back or find the manual because someone accidently through the packaging out. These wires are not suited for constant flexing which happens when you try to wash them. Set the control to "On." Any suggestions to make it work? View our electric throws to find the premium softness you deserve to get a good night's rest. I have unplugged it several times and this does not fix the problem and the blanket is not heating. I do know about electronic repair and testing but I don't know much about electric blankets, this is the first one I ever owned. Consequently, why is my electric blanket not working? 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