Ff Sunbeam FF Error Message On A Sunbeam Electric Blanket?

FF error message on a sunbeam electric blanket? - ff sunbeam

When I returned to my blanket on the digital display, with the words "FF" and flashes. And is independent of the length of the lid off that separate the brand and reconnect the cable

When I logged on and numbers, but when I started turning the dial back on the FF message.