As mentioned, when the fridge is off it's off for all functions--read no alarms of any kind.
If it's a Norcold fridge, there is on most of them small plastic keepers just under the handles that when set will keep doors open just enough to prevent them from closing.
Many owners will keep a box of Arm & Hammers baking soda in the fridge all the time to prevent buildup of mold, mildew, moisture.
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