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LennoxElite 12-10-2010 02:20 PM

Lennox Elite G51MP Series - Combustion Air Inducer Running
The Combustion Air Inducer continues to run after the set thermostat temp is reached and when it tries to start again to reach the set room temp I get an error code Left/Red LED (not lite) and Right/Green LED (slowly flashes). After an hour or so with the power off I turn power back on and it runs for a few hours and happens all over again..

Thanks For Your Time - Any suggestions?

SKIP4661 12-10-2010 02:55 PM

I suspect the inducer relay on the board is sticking. Probably need a new board.:eek:

yuri 12-10-2010 06:24 PM

Yep. Try for Lennox parts. Need complete model AND serial # for them.

LennoxElite 12-11-2010 05:55 AM

Thanks for your quick response! I just noticed this only happens when the thermostat is set on a higher temp (67 Degrees or higher) and needs to run more being winter outside.. But when it is set to a lower temp (65 Degress) it runs fine...

Thanks For Your Time - Any other suggestions?

yuri 12-11-2010 06:55 AM

Max no difference the temp setting.:no: Runs more often at higher temp and odds of it stickin are higher. Will get worse soon and Xmas is comin.:whistling2:

LennoxElite 12-12-2010 09:01 AM

Thanks For Your Time And Advice !!!

cristnia 10-06-2012 10:05 AM

Did this solution work?
Hi, I have the exact same problem with my Lennox G51MP furnace. Did this solution work? Was it the "board"? Is the board part of the "Combustion Air Inducer"?

I was told I need a new "Combustion Air Inducer" which is running rough, but I don't really trust the shady repair company *long story* so I want to make sure I order the correct part.

Thank you!

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