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Old 12-10-2009, 10:18 AM   #1
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Furnace won't stay lit


I have a comfortmaker RPJ II Model # GNJ100N12A1 furnace and it will turn on but it will soon turn off. Usually if I turn the power switch off and and on it will fire up and stay on for a couple of minutes and then turn off, and sometimes it may run for half a day and then turn off. Is there anything I should look for?

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Old 12-22-2009, 03:39 AM   #2
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Furnace won't stay lit


Did you see this thread?

Comfortmaker RPJ II Ignites then shuts off?

Those RPJ II furnaces have a bad rep...

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Old 12-22-2009, 05:14 AM   #3
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Furnace won't stay lit


Quote:
Originally Posted by COBRA90GT View Post
Did you see this thread?

Comfortmaker RPJ II Ignites then shuts off?

Those RPJ II furnaces have a bad rep...

Too long and .

Check and clean the flame sensor.
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Old 12-22-2009, 10:51 AM   #4
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Furnace won't stay lit


I want to thank you for that advice. I will give it a try and let you know what happened.
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