My furnace stopped working today. It is a weathermaker (carrier) 8000
That is approx 14 years old. It has been serviced regularly
To the best I can tell it is flashing a code 5 4 can anyone help me with this?
It kicks on, blows cold air for a few minutes then shuts down.
Thank you

Hello aroman a little more info is required about your furnace. Give me a call @ 416 754 0645 and we can solve this problem together.

MrCool (Dave)