Have HVAC Questions? Ask an HVAC Expert for Answers
What is the model number of your unit? you can find the model on the rating tag inside the burner compartment
The burner compartment, remove the upper panel (on most models) its inside that compartment (not the compartment with the main blower/fan).
Ok, your error messages would add up to a problem with the blower. You can try turning off the power to the furnace wait a minute then turn it back on. If the problem persists then you'll have to call in a pro. This is not an easy DIY fix.