Hello if someone can help me it would be great
Ihave searched and found so many different reasons but I would like the best help I can get.

It's a carrier 58pav my parents installed in Feb 1999.

After the gas turns off, the blower runs for a few minutes, pulling cold air from outside.

I called sears, they charged me 300 dollars, they said they serviceed it, I pointed outh the problem I am having, they said oh no we just clean it we do not do anything else.

Its minus 30 degrees Celsius right now that's without windchill, in calgary
I called the carrier dealer in calgary, they wanted 150 just for looking at it.
We are on a fixed income, we have very very little money. I just was laid off 2 months ago and me and my wife and our newborn girl had to move to my parents because our house was foreclosured on.

So I read it could be, fan limit control switch, heat limt switch, (saamethign?) 24v fuse, inducer, motherboard, reverse polarity? How would that happen?

I am pretty keen on basic elecontrics. But if someone can tell me where to start I would apperciate it.

On most heating systems, the blower normally runs for a minute or two at the end of a heating cycle. The circuit board may have a selection jumper or DIP switch to allow you to adjust the blower off-delay.Where is the cold air from outside entering the return air ducting?

Quote:

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Originally Posted by KC13

On most heating systems, the blower normally runs for a minute or two at the end of a heating cycle. The circuit board may have a selection jumper or DIP switch to allow you to adjust the blower off-delay.Where is the cold air from outside entering the return air ducting?

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Its running longer then usual after the gas turns off, much longer...

So you say adjust the blower off delay?

This furnace has tubes from outside and this hosue has return air ducts like other furances..

Quote:

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Originally Posted by KC13

On most heating systems, the blower normally runs for a minute or two at the end of a heating cycle. The circuit board may have a selection jumper or DIP switch to allow you to adjust the blower off-delay.Where is the cold air from outside entering the return air ducting?

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Thnk you kc13

Quote:

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Originally Posted by helpus2000

hello if someone can help me it would be great
ihave searched and found soo many different reasons but I would like the best help i can get.

its a carrier 58pav my parents installed in Feb 1999.

After the gas turns off, the blower runs for a few minutes, pulling cold air from outside.

I called sears, they charged me 300 dollars, they said they serviceed it, i pointed outh the problem I am having, they said oh no we just clean it we do not do anything else.

its minus 30 degrees celcius right now thats without windchill, in calgary
I called the carrier dealer in calgary, they wanted 150 just for looking at it.
We are on a fixed income, we have very very little money. I just was laid off 2 months ago and me and my wife and our newborn girl had to move to my parents because our house was foreclosured on.

so I read it could be, fan limit control switch, heat limt switch, (saamethign?) 24v fuse, inducer, motherboard, reverse polarity? how would that happen??

I am pretty keen on basic elecontrics. But if someone can tell me where to start i would apperciate it.

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:confused:Hi have you fix it yet?how much and what is the problem>I have a furnace same model as your and have a same problem could you tell me how to fix it ?Thanks