my central a/c heat unit trips my 40 amp breaker after running heat for 5 minutes.
hi,i have a 9 year old rheem air and heat central home unit. my central heat runs with a 40 amp breaker. what happens is the breaker will trip after 3 to 7 minutes all the time,, so i just have heat for about 5 minutes.. a friend of mine we are electric contractors , but not a/c repair. he was saying my LIMIT SWITCH could be bad? thanks let me hear from you.