Hi: maurerl... Pull the led cards out of the fixture sockets and clean the contacts. A pencil eraser will do the job. Usually one small philips screw is holding them in. Alf
escape artist N.S. of Lake Erie
Thanks heaps, all -- this did the trick. Hardest part was figuring out how to remove the lens!
Happy travels.
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Lotar & Wendy
"Sit loosely in the saddle of life" (Robert Louis Stevenson)