Questions & Answers for: fix combustion air switch failed

...fix it and is it going to cost lots of money??? Help me please...Than you I had the same errror code on my coleman furnace (3 flashes combustion air switch failed to close) but at first didnt realize ...

...combustion air switch failed to close.... how do I fix this? This air switch proves that the inducer motor is running and moving air. If not, check to make sure that the inducer motor starts and that ...

...combustion air switrch failed to close, how do I fix it. I have 2 of these furnaces in mobile homes I own.  On both of these the wheel inside the draft inducer blower that has the clear tube ...

...combustion air switch failed to close....how do I fix it First, make sure that the draft inducer motor is running. Then check all tubing inside your furnace and ensure there are no kinks, moisture ...

coleman furnace(propane) will not start and I get a code three(combustion air switch failed to close. any quick fix change presure switch , no quick fix

...the last 2 years! Hope this helped. 3 lights sounds like the pressure switch try jumping it out some times this works , you try and fool the heater, 3 flashes=combustion air switrch failed to ...

combustion air switch has failed to close...how do I fix this? with this there are 3 things to do. first is lisen to the draft motor and hope it is running as it should when the t stat calls for heat.

...3 x's. It says the combustion air switch failed to close. Prior to this it was making a funny rumbling noise. Can you tell me how to fix this? look for problems at the draft inducer blower

Combustion Air Switch Failed to Close". I am not sure how to fix the issue. I have this furnace in two of my mobile homes. In both I had to take off the inducer motor (i think that's what it&

...air. There are a couple of switches that need to be checked. You have a roll out switch that will be right above the burners on the sheet metal. That switch will have a little button in the middle if ...