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My blower and compressor are always running rajasethuraman 10-08-2007
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Posted by on October 8, 2007, 11:13 am

> On Oct 8, 12:44 am, rajasethura...@gmail.com wrote:
> > Hello experts
> >
> > I am facing a unique problem with my central air system.
> >
> > Make of the system is Goodman.
> >
> > For the past two months, my central air system\s blower and compressor
> > would not shut off when I place the thermostat to off position.
> >
> > I called a specialist from Sears. He studied at my system for more
> > than 2 hours and could not diagonize the problem. But he suggested to
> > try changing the furnace circuit board.
> >
> > I ordered a new circuit board and replaced it myself. Same problem.
> > Blower / Compressor won't shut-off.
> >
> > Then, I read in the internet that the cooling part of my thermostat
> > might be broken. So, I changed my thermostat. Same problem continues.
> > (my old thermostat was white-rodgers and my new one is Honeywell)
> >
> > Now I am running out of options.
> >
> > Please help me.
> >
> > Thanks in advance.
> >
> > Regards
> > Raja
>
> Disconnect wire going to contactor on compresser. That should stop
> compresser. If not a stuck contactor could be the problem.


Do you read what you type?
Or is it a fact that you don't know anything about HVAC?



Posted by Mr.Tony to you on October 8, 2007, 9:17 pm
Lytning You are right
or check if low voltage is coming to line contactor
if is not you line contactor is welded or frozen
if power is present then is Tst how hard can that be to trouble shoot I
would call Sears and refuse to pay for service call because apparently that
was not tech. more likely janitor.
Tony


> On Oct 8, 12:44 am, rajasethura...@gmail.com wrote:
> > Hello experts
> >
> > I am facing a unique problem with my central air system.
> >
> > Make of the system is Goodman.
> >
> > For the past two months, my central air system\s blower and compressor
> > would not shut off when I place the thermostat to off position.
> >
> > I called a specialist from Sears. He studied at my system for more
> > than 2 hours and could not diagonize the problem. But he suggested to
> > try changing the furnace circuit board.
> >
> > I ordered a new circuit board and replaced it myself. Same problem.
> > Blower / Compressor won't shut-off.
> >
> > Then, I read in the internet that the cooling part of my thermostat
> > might be broken. So, I changed my thermostat. Same problem continues.
> > (my old thermostat was white-rodgers and my new one is Honeywell)
> >
> > Now I am running out of options.
> >
> > Please help me.
> >
> > Thanks in advance.
> >
> > Regards
> > Raja
>
> Disconnect wire going to contactor on compresser. That should stop
> compresser. If not a stuck contactor could be the problem.
>



Posted by Stormin Mormon \(on backup com on October 8, 2007, 11:59 am
By blower, do you mean the fan on top of the outoor unit, or the blower in
the air handler?

Check for shorts, in the wire from the thermostat to the board. Check also
for sticky contactor.

--

Christopher A. Young
.
.

Hello experts

I am facing a unique problem with my central air system.

Make of the system is Goodman.

For the past two months, my central air system\s blower and compressor
would not shut off when I place the thermostat to off position.

I called a specialist from Sears. He studied at my system for more
than 2 hours and could not diagonize the problem. But he suggested to
try changing the furnace circuit board.

I ordered a new circuit board and replaced it myself. Same problem.
Blower / Compressor won't shut-off.

Then, I read in the internet that the cooling part of my thermostat
might be broken. So, I changed my thermostat. Same problem continues.
(my old thermostat was white-rodgers and my new one is Honeywell)

Now I am running out of options.

Please help me.

Thanks in advance.

Regards
Raja



Posted by Bubba on October 8, 2007, 5:36 pm
On Mon, 8 Oct 2007 11:59:59 -0400, "Stormin Mormon \(on backup

>By blower, do you mean the fan on top of the outoor unit, or the blower in
>the air handler?
>
>Check for shorts, in the wire from the thermostat to the board. Check also
>for sticky contactor.

Hold onto your wallets.
Stormy is going to try another diagnosis.
Bubba

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