The Manual Button Is Not What You Think It Does
The Instant Pot manual mode is basically just a dial for high-pressure cooking with no automatic adjustments. Press the Manual button and you get a timer on screen, usually starting at 30 minutes. You press + or - to change the time, then press Start. That's it. No browning phase, no warm cycle kicking in until after the cook, no smart algorithms figuring out your food. It's a raw, manual pressure cooker interface. Most people who buy an Instant Pot are confused because they expected the Manual button to do everything for them. It doesn't. When you press it, the machine goes silent for a couple minutes while it seals and builds pressure, then starts counting down. If you want the lid to open faster, nothing on that panel controls the release. That's a separate lever on top of the lid.
Using the Crock Pot Instant Pot Manual Function Correctly
I've seen people try to use Manual mode like a pressure cooker recipe app, plugging in numbers and expecting the pot to know what to do next. It won't. Here is the actual workflow. Set your ingredients in the pot. Close the lid and turn it to Lock. Make sure the valve is in Sealing position, not Venting, unless you actually want steam pouring everywhere during the ramp-up. Press Manual, set the time, press Start. Wait. When it beeps, the cooker enters the Keep Warm phase at about 158°F until you manually cancel it or open the lid. The trick nobody mentions is that the default Manual time shown on the screen when you first press the button is irrelevant. It's just a memory from whatever you last cooked. Always reset it before starting a new batch. I lost a whole chicken to this once because I pressed Manual and hit Start without changing the time from 45 minutes. The chicken came out to well-done leather. Another thing: the Manual mode does not include a preheat phase. The pot will begin counting pressure time only after it reaches the target pressure, which can take 8 to 15 minutes depending on how much liquid and cold ingredients you loaded in. A recipe that says 20 minutes on Manual actually means 20 minutes under pressure, not 20 minutes total elapsed time. That extra 10 minutes of heat-up is where most timing mistakes happen.
Low Settings, High Frustration
The Instant Pot has Low, Medium, and High settings for slow cooking, and they are not the same temperatures as a traditional Crock Pot. The official specifications from the manufacturer put Low around 190°F, Medium around 200°F, and High around 210°F, but I have measured variance between units. My own pot on High ran about 8 degrees hotter than my neighbor's, and neither matched the slow cook temperature of our old Rival Crock-Pot from 2009. This means if you are converting a slow cooker recipe, you cannot just swap the time 1:1. A recipe that calls for 8 hours on Low in a traditional crock pot will usually finish in 4 to 6 hours on Medium in the Instant Pot. Going straight to High cuts it further to about 3 to 4 hours, but the texture changes. High slow cook mode tends to dry out lean proteins more aggressively than Low because the heating element cycles on and off less frequently. There is also the matter of the sealing ring. If you cook strong-smelling foods like curry or chili in the Instant Pot using the slow cook or pressure function and then switch to making something delicate like vanilla custard later, the ring will hold that smell. I solved this by buying a second sealing ring and dedicating one to savory dishes and one to sweet. They run about $5 each on Amazon. Not a great solution but it works.
Get the Full Details

When Manual Mode Fails Completely
The biggest limitation of Manual mode on the Instant Pot is that it only operates at one pressure level: high pressure. There is no low-pressure setting accessible through the Manual button. If a recipe calls for simmering delicate items like fish fillets or eggs for custard at lower pressure, you are stuck. Some newer Instant Pot models have a Steam button that runs at lower pressure, but even that is not truly low-pressure simmering. Another failure point is thick, starchy mixtures. Rice, beans with no soaking, and very thick chili can trigger the burn warning during Manual mode because the bottom sensor reads scorching even when the rest of the pot is fine. The workaround is simple but annoying: add at least one cup of thin liquid, make sure the thick ingredients are distributed evenly and not clumped at the bottom, and use the sauté function first to deglaze any stuck bits before switching to Manual. I learned this after a batch of homemade pasta sauce triggered the burn notice mid-cook and threw off the entire pressure seal. The warm cycle is another gotcha. After Manual mode finishes, the pot stays on Keep Warm automatically. If you walk away and come back four hours later, your food is sitting at 158°F, which is above the bacterial danger zone but well past the ideal serving temperature for almost anything. Meat gets stringy. Rice gets dry. Soup reduces and intensifies in saltiness. Press Cancel the moment the countdown ends if you are not going to eat right away.
A Few Practical Numbers
High-pressure cooking times for common proteins on Manual mode: boneless chicken breasts, 10 to 12 minutes with quick release. Pork shoulder, 35 to 40 minutes with natural release for shredding. Dried black beans, 30 minutes with natural release, no pre-soak needed. Beef stew cubes, 35 minutes. These are approximate and depend on piece size and starting temperature. Quick release versus natural release matters a lot. Quick release drops the pressure in about 60 to 90 seconds and is fine for vegetables, fish, and foods with high liquid content. Natural release lets the pot depressurize on its own over 10 to 20 minutes and is better for meats, beans, and anything with thick sauce. A full natural release can take up to 30 minutes for a full 6-quart pot. If you need it faster, you can do a partial natural release for 10 minutes then switch to quick, which gives you the tenderness benefit without the long wait. The capacity affects timing too. A 3-quart Mini takes longer to come to pressure than the 6-quart standard because the smaller mass of liquid and food absorbs heat differently. If you are doubling a recipe in a larger pot, add 3 to 5 minutes to the Manual time rather than relying on the pressure indicator alone, since the sensor cannot tell you when the center of a dense pot of stew is actually done.