That is assuming they are in good working order with no broken seals anywhere. They will run continuously if they never manage to get near the target temp. Though in that case, your food is probably also not getting refrigerated and you hopefully notice.
That is assuming they are in good working order with no broken seals anywhere. They will run continuously if they never manage to get near the target temp. Though in that case, your food is probably also not getting refrigerated and you hopefully notice.