Problem started with short cycling which I never figured out now it won't start at all. Went a day without firing next day it ran all day trying to get the temperature back up, then yesterday wouldn't fire again.
It will try several times then show an E04 code, if I leave the breaker on it will continue to try even with the error code.
It buzzes when it should start. The fan spins freely so I don't think it's the blower.
Anything I can check on my own or do I need a service tech?