Add the cubed-chicken, carrots and green-onions to the instant-pot.
In a small-bowl, combine the tamari, fish-sauce, rice-vinegar, sesame-oil, peanut-butter, brown-sugar, juice of one lime, pepper-flakes, garlic and ginger till well blended & pour over the ingredients in your instant-pot. Then add the broth & stir well.
Place the lid on and set pressure button for 7minutes. When time goes away, do a quick-release & remove the lid.
Stir in the rice-noodles and then lit-back the lid on and leave it for 10minutes. Stir together & check the doneness of these noodles. Place the lid-back if they want a bit more time to soften.
After done, serve with fresh-lime wedges and top with cilantro, chopped peanuts and green-onions.