I have a Model E1EH unit. A week ago the unit stopped blowing warm air. I called a local technician who came out and began to test the electrical connections with a meter. while he was doing the testing the unit began to blow warm air again. He tightened all the connections and said it may have just been a loose wire. the unit worked great for a week and then yesterday the same thing happened again. We woke up to a cold house. I called the same technician who cam out and began doing the same circut testing and once again the unit began blowing warm air. After checking and replacing the batteries in the Thermostat the tecnician left. The unit worked fine until this morning when it again stopped blowing warm air. Do you think replacing the circut control board will solve my problem?
Make : Nordyne
Model : E1EH-017HA
Called a tecnician twice with no success yet.
In many cases people want to replace the control board. I do that as a last resort because it is very easy to misdiagnose a control board.
In this situation. I would troubleshoot this until I was certain that the control board was faulty. I understand that this is hard to do but tell that technician that the reason you call them is because they are the authority for this and diagnosing an issue is something they do. In the past if a connection was causing the problem I would move that connection to make the problem show up. I would do this to every single wire and connection if needed.
12 years install/service experience.