Do a water test. If your pot is a 6qt use 1 cup of water, if it is an 8qt use 1½ cups of water. Make sure your valve is set to "sealing". This is a great way to make sure your pot is functioning as it is intended to.
With the burn notice, the issue is likely the recipes and not the pot.
With the burn notice, the issue is likely the recipes and not the pot.