Tip & How-To about Heating & Cooling

How to make sure you Heat is working

A common problem with a furnance is the furnance will attempt to ignite, several times, you will notice that the house is not heating properly. You will hear the furnance come on and you will assume the heat is on, and the house will continue to be cool. You wiil check the furnance and you will hear it start up and the blower will come on, however a few seconds later after you have walked away the blower will shut down and there is no heat on at this time. You will again go check the furnance and after the furnance start and go through the cycle the furnance will shut down you will notice that the furnance has indeed shut down. This is the common problem of the flame sensor, you will have to remove the flame sensor, get a small piece of fine grade sand paper, and remove all the black colored carbon from the flame sensor until is is shinning bright, replace the flame sensor and attempt to start the furnance. You will notice that apatment or house have reach the set temperture, that the furnance has went through its cycle and the furnance will ignite and stay on continueously until the house obtain the preset temperture..

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I have a Coleman TG9S Furnance and I noticed that


Hi there should be a fresh air pipe to your basement from outside to bring fresh air in normaly its behind the unit just above the floor , the air intake is taken from the basement as the air from the intake would now be warm to use , does this help you ?

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it sounds like the fflame sensor needs to be replaced, however if the unit has fan assited combustion you may also have an issue with the pressure switch. hope this helps

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Check to make sure you have pm or am set correctly. Or reset everything. ??? ;)

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. Several times of recyling power normally brings the furnance up. Though the failure code has always been 31, there are several different behaviour when the blower starts after reset :
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