Fix it
Pressure Cooker Not Working? Fixes (2026)
Pressure cooker problems solved: won't pressurize, steam leaking, burn warnings, and food undercooked. Causes and fixes.
Most pressure cooker failures trace to three things: the seal, the vent, or the liquid level. Work through these fixes in order before assuming the appliance is broken.
Pot won't come to pressure, steam escapes around the lid
The sealing ring is the culprit in most cases: check it is seated fully in the lid groove with no twists, and replace it if it is stretched, cracked, or older than 18 months. Also confirm the float valve moves freely and the lid is locked to the correct position.
Burn warning or food scorched on the bottom
Not enough thin liquid, or starchy food settled on the base. Deglaze after sauteing, add at least 1 cup of thin liquid for a 6-quart pot, and layer tomato products and thickeners on top rather than stirring them in. For stovetop models, lower the heat once pressure is reached.
Steam leaks from the pressure valve during cooking
A small wisp during pressurizing is normal; continuous jetting is not. Check the valve is set to sealing (not venting), remove and rinse food debris from the valve assembly, and inspect the silicone cap underneath for tears.
Food undercooked after the full cycle
Common causes: the pot never truly reached pressure (see the seal fix above), ingredients were frozen solid without added time, or the pot was overfilled past two-thirds. Add 5 to 10 minutes for frozen proteins and never exceed the fill line for foaming foods.
Questions, answered
Is it safe to force the lid open?
No. Never force a pressurized lid: wait for the float valve to drop, which signals pressure is fully released. Forcing it risks a steam burn and damages the locking mechanism.
Why does my sealing ring smell?
Silicone absorbs odors from strong foods. Soak the ring in white vinegar or run a water-and-lemon pressure cycle. Keep a second ring dedicated to sweet or neutral foods if the smell bothers you.