What is the maximum time setting for the Slow Cook function? August 13, 2021 09:41 With the Duo Series, you can set the Slow Cook function from 0.5 to 20 hours. Related articles What is the maximum time setting for the Pressure Cook function? How much food and liquid should be in the inner pot when cooking? What does pot-in-pot (PIP) cooking mean? Occasional ticking or light cracking sound What is the maximum time setting for the Saute function?