Turn on the Sauté function. When display reads “Hot” add the oil.
Add the onion and carrots. Cook until vegetables are tender, stirring occasionally.
Add the red curry paste, garlic, and ginger. Cook, stirring constantly, for 1 minute.
Add broth, fish sauce, sweet chili sauce, soy sauce, salt, and bay leaf. Stir.
Let the broth mixture heat up, then add the chicken pieces.
Place the lid on the pot and set the Steam Release Knob to Sealing position.
Cancel the Sauté function.
Press the Pressure Cook/Manual button, or dial. Use the + or - button or dial to select 9 minutes (High pressure).
When cook cycle ends, let pot naturally release pressure for 10 minutes. Then do a controlled Quick Release of the remaining pressure by turning the knob to Venting (or push the button on the Ultra) in short bursts at first, to make sure no soup comes out with the steam.
When the pin in the lid drops. Open and stir the soup.
Remove the chicken pieces to a plate, using tongs, and set aside.