What should you do? "It depends" is the answer to a different question. The answer is, "No, do not put a 30 Amp breaker in place of a 20 Amp breaker because the wiring is most likely'sized' for the 20 Amp load and -may- overheat if a 30 Amp load is used with wiring sized for a 20 Amp load."
Let's Get It Fixed!
HomeX virtual experts will assess your issue (for free!) and can resolve simple problems.