From The Star-K: Whirlpool Double Oven Alert WOD51, WOD77, WOD97, WODA7

In Important Alerts, Newsletter Itemsby kosherqu

The Star-K is recommending not to put both (upper and lower) Whirlpool Double Wall Ovens Models WOD51, WOD77,WOD97 and WODA7  on Sabbath Mode at the same time.  To ensure proper functioning , select the Sabbath Mode feature for only the ONE oven you will be using on Yom Tov (or on Shabbos as permitted halachically).