Steam leaks continuously from around the lid edge during pressure cooking, not just from the valve.

Safety first: Do not attempt to tighten or force the lid while under pressure. Allow the cooker to depressurize naturally and cool.

• Remove and refit seal: Take out the silicone sealing ring, clean it and the lid groove thoroughly, then refit, ensuring it is not twisted and is fully seated all the way around.
• Inspect for damage: Check the ring for nicks, cuts, or areas that have thinned. Replace if any damage is found.
• Check lid and rim alignment: Look along the stainless-steel rim of the cooker for dents or bends. Minor bends can sometimes be gently straightened with padded pliers, but severe deformation requires professional repair.
• Test with water only: After refitting, run a short pressure cycle with water to confirm the leak is resolved.

Persistent leaks with a new seal may indicate a warped lid assembly, which should be replaced.