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I have a Coleman model # FC32A3XN1A. The code is flashing 10 = Gas flow with no call for heat. There is also water in the bottom of the furnace below the circuit board. I also hear what sounds like water constantly running through the pipe leading from the furnace to our unit outdoors.

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Turn everything off your coil is frozen over and destroying the furnace. The furnace has water on the flame sensor and it thinks the gas is on but it isnt. The water is grounding out the flame sensor. If there is no water damage to the circuit board all you have to do is dry your flame sensor off and you should be fine. Now for the frozen coil you have a freon leak most likely or an air flow issue but you have to thaw the coil out completely before you can find out the problem. Check your air filter is it clean make sure your blower inside the furnace is rotating. If all these things check out ok you have to get the A/C charged with freon you have a leak. If this help please rate me and do a testimonial.

Posted on May 23, 2011

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