No heat
Camping this weekend and it’s a bit chilly... went to turn the heat on and nothing! The fan kicks on for a minute or two and then shuts off. All the other gas fixtures are working properly. I crack th...
Forum Discussion
The bad news is, you have to pull the complete furnace to troubleshoot and fix on your model furnace. The other bad news is, when you pull the furnace, odds are the jostling will reset the hi limit switch IF IT WAS the cause of no ignition. Sooo, When I have this type problem with a no access furnace, I take a rubber mallet and sharply pound on the inside burner casing area. Then try to restart the furnace. IF it then lights and stays lit, I pull the furnace and replace the Hi limit switch as it is sticking OPEN. Regardless, with a non accessable furnace when I pull for repair, I ALWAYS replace the Hi limit regardless of any other bad part is the problem. The Hi limit is not that expensive and cheap insurance to prevent a future problem caused by a intermittent hi limit switch. Doug
