Possible Reason: Sealing ring not properly installed
Solution: Reposition sealing ring, ensure it is snug behind sealing ring rack
Possible Reason: Float valve in the popped-up position
Solution: Gently press the float valve downward with a long utensil
Possible Reason: Contents in cooker are still hot enough to produce steam
Solution: Turn steam release handle towards “Venting” position, then lower lid onto cooker base slowly, allowing heat to dissipate