Turn on the instant pot and select sauté.
Add oil and heat it a bit.
Add onion, carrot and for 10 minutes, stirring it well.
Add a little amount of broth to deglaze and then add seasonings.
Add salmon and remaining broth in the instant pot.
Close the lid of the instant pot.
Set instant pot to Manual at high pressure and cook for 3 minutes. Release the pressure quickly through steam vent.
Open the lid of the instant pot and serve.