The radiator fan won't turn on and it happens when I use the account why does this happen

What is your question?

Only one fan turns on in my car when I drive it and it started when I turned on the account Wich also don't work properly. Why does this happen and what do I do to fix the problem

What makes this problem better or worse?

When we use ac

How long has your 2005 Mitsubishi Lancer had this problem?

2Months