Sometimes after working on ADC, mainboards, jazz boards, genesis boards, utah boards, and beta boards, it's a relief to repair a fridge where the defrost is controlled by a good old standard timer. That is until you have to use the Whirlpool universal timer and have to re-read those "encoded" instructions. Over a year ago, when I had some time (and this timer) on my hands, I decided to break that code. Recently, I discussed this info but forgot what I came up with and it took some time