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I have a kelvinator LP furnace M#KG6RC 060C-12A The indicator light blinks red twice and the code comes back as pressure switch is open with reducer on. The furnace never lights off, and times out after about 10 minutes. The little fan runs, but I do not see the ignitor coil light up or hear the valve open. everything else seems normal. Can you please help

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  • jcharlesg Jan 01, 2011

    Thank you for your reply. It is very helpful. How sensitive is this system to pressure? Is it going to be a leak that will easily be identified, or could it be any small leak? Any ideas on good places to look for leaks? I can see where the sensing lines connect from the pressure switch; just wondering if there is any common place to find a leak (firebox, shutoff valve, etc.)

  • jcharlesg Jan 02, 2011

    Yes, this was very helpful. All my questions were answered completely

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Furnaces are quite pressure sensitive and due to this their entire workings depend on it for effective functioning. With your unit constantly coming up with pressure switch indicator lights it means the pressure in the system is getting out of the system one way or the other. This simply indicates a leakage somewhere in the unit therefore the unit timing out after 10 minutes.
Get an expert to examine the device and locate the leakage once this is detected and blocked the whole units functioning will regulate.
Hope this solution has been helpful?

Posted on Jan 01, 2011

  • Rockme
    Rockme Jan 01, 2011

    The system is very sensitive to leakages. My guess will be that the leakage is very small thats why the system stays on for up to 10 mins before timing out. And the leakage could be anywhere thats why i said to refer to an expert. Thanks for acknowledging the response and would really appreciate it if you can rate the response provided so far.

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