Burner's won't stay on. Please Help


Old 12-21-08, 08:10 AM
Thread Starter
Join Date: Dec 2008
Posts: 1
Rheem classic 90

Let me start off by saying I hope someone can help. I have a Rheem Classic 90 furnace. I woke up this morning to a house temp of about 52. Upon investigation and restarting my furnace i found out the duct fills up with air and after 15 secs. or so the clicking begins the burners come on and then shut off after 4 secs. This will repeat for awhile then whole system shuts down. I did notice yellow blinking light on control panel. Anybody out there think they can help?

Last edited by papaBri; 12-21-08 at 09:23 AM.
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Old 12-21-08, 11:14 AM
Join Date: Dec 2006
Location: st louis
Posts: 24
try cleaning flame sensor with some sandcloth....it is located at far left or far right of burners....

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