Sub-Zero 632 / S "display fridge top shelf cool" Questions

...fridge that is low on freon. If the ice is appearing mostly to the left, then thats surely your problem. if it goes all the way across, you may have a bad evaporater fan motor, fan motor switch, bad ...

...fridge was 10 degrees colder than the display. Now, with readout indicating 43-44, my beer stays on the edge of freezing on the bottom 2 shelves. Have had beer on back of second lowest shelf freeze ...

...fridge is at 48F. I try to change the temp to a lower temp but it will not cool. The unit is only a month old... any tips? Thanks Sort of sounds like the adaptive defrost board is bad and you are not ...