So how does it work? Explore now. The one I have is soley a mechanical device. The following link contains the owner's manual for the blanket and it may be useful to you in resolving this problem. 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. Sunbeam electric blankets, or heated blankets, include a feature called the ThermoFine Warming System. The blinking light indicates an open circuit, most likely caused by a broken wire inside the blanket. Any suggestions to make it work? Hello all, I'm new here but seems the place to ask. I can't take it back or find the manual because someone accidently through the packaging out. View our electric throws to find the premium softness you deserve to get a good night's rest. Any insight would be helpfull. Second, check that the control is properly connected to the module. I tested the blanket for continuity with my multi meater and the blanket seems fine. I am very frustrated and not sure what to do. Heat is also therapeutic to aching muscles and sore joints. 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. It’s time for a new blanket. Set the control to "On." Unplug the blanket from the wall. An electric blanket will provide toasty warmth even on the most bitter cold evenings. First, unplug the blanket from the outlet. 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. If it is, plug the power cord of your blanket back into the outlet and turn the blanket "on." I agree that sunbeam needs to do a recall on these blankets. I have a sunbeam electric blanket that is not heating. Click to see full answer. Owner's Manual . If your blanket unexpectedly stops working, some simple troubleshooting may provide an easy solution to your dilemma. Worked for a couple of weeks and now have blinking light on one side of blanket. 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. Check the connections before throwing out your old electric blanket and buying a new one. I have unplugged it several times and this does not fix the problem and the blanket is not heating. It cannot prevent some blankets from failing to work properly, however. I'm trying to understand just how an electric blanket heat controller works. I purchased my sunbeam electric blanket about about a month ago and I am having the same problem. A set screw determins the ability of a contact is made or broken. My new Sunbeam blanket won't turn on and keeps flashing F2 at me. These wires are not suited for constant flexing which happens when you try to wash them. I bought it at Walmart. 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