In this article, we are discussing the Carrier Furnace error code 13.
Different elements of the furnace work in cohesion behind the scenes to make sure that the furnace keeps working properly.
This error code 13 is related to the flame rollout for the furnace. The issue could be because of the flame rollout being open.
Fixes For error code 13 on the Carrier furnace
Fix 1: The flame rollout is open for more than 3 minutes
The flame rollout element of the furnace has a specified limit for exposure to open air. In the Carrier furnace, this limit is set to 3 minutes.
If the flame rollout switch is open for more than the specified limit of three minutes, the safety lockout is enabled on the furnace.
SO Check the carrier furnace flame rollout switch. If you cannot find it, fish out the user manual and look for the switch. Close the switch to check if the issue is resolved.
Fix 2: Check for the airflow of the furnace
The furnace needs to have a proper flow of air in order to function. Since the function of heating in the furnace require the appliance to have a steady inlet and outlet of air, it is important to check the ventilation of the furnace.
Check the placement of the furnace for proper ventilation. If it is in a congested place, consider moving the machinery.
Fix 3: Contact the technician
There are not many fixes to try for this error code as the issue is mainly related to the flame rollout switch.
In case these two solutions do not help you with the issue or you do not want to try this on your own, you should contact the Carrier technician to get help.