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Typically when the heated dry light flashes this indicates a stuck key or shorted keypad. The diagnosis of this issue will require the use of a volt/ohm meter. If you have a meter and are confident in your technical abilities please reply below and I will be happy to assist you further.
If you do not feel confident repairing this problem yourself, then you can have it repaired at your home by a Sears technician. Here is a link for the website;
Sears Home Services
Here is a link that you may use to view the parts list diagram or to purchase any parts needed;
Sears Parts Direct
I hope this is helpful. If I may be of further assistance please reply to this post.