Why isn’t the temperature working on this? It originally had a value in the temperature offset of 40, it was wrong. I erased it and now its still wrong.
That is a lot info, to help you 
https://community.home-assistant.io/t/how-to-help-us-help-you-or-how-to-ask-a-good-question/114371/3
I already did this is irrelevant to the question asked.
It is relevant insofar that nobody can help you with the information you provided.
How do you assess it is wrong? Is it linearly wrong? What did you try to fix the issue? Is it wrong only in HA?