Hot answers tagged appliances
(I know this answer is late.) According to http://www.daat.ac.il/daat/english/journal/broyde_1.htm the reason the Star K allows Yom Tov mode is that Rabbi Auerbach holds that electricity is permitted on Shabbos, as long as no light or heat are produced. And on Yom Tov heating is allowed, so the oven is permitted as long as you don't change the display ...
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