Have HVAC Questions? Ask an HVAC Expert for Answers
Hello and thanks for using this service, if you have been waiting do not worry or get upset I am just one of the techs on here and I try to get to as many customers as I can and I just picked up your question now. Please give me time to respond sometimes I get your replies late so there may be a significant delay in responses. Please be patient and often I will ask you questions to narrow down the issue to get is diagnosed correctly.
Does the induce motor come on?
What are the lights flashing on the board when it fails and can you see if the ignitor has power to it when the inducer fan runs?
What error code is flashing, match the error up with the list on the backside of the furnace panel there should be a list
There should be a flash pattern to count for the code
Shut the power off to the unit for 5 full minutes and turn it back on.
ok sounds good
Put the door back on
Just the lower one
DOes it match any error code?
Ok check the rollout sensors around the burner housing one may be tripped and then check and see if anything on the condensate lines are blocked. I will be back in a bit I have to go to a dinner party