Why is my pellet grill not getting up to temp?

Why is my pellet grill not getting up to temp?

A Traeger that does not heat up is most likely due to a deteriorated hot rod. ... Most Traeger hot rods will wear out after a couple of years. While a bad hot rod is the most likely culprit behind my Traeger not heating up, it is also possible that my grill's low temperature is due to insufficient airflow to the grill.

How do I make my Traeger hotter?

https://www.youtube.com/watch?v=thPo3GrcObU