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I have a Goodman heating system and it is not heating

I have a Goodman...

I have a Goodman heating system and it is not heating properly. The burner starts for about 3 seconds and then it goes off. The blower keeps blowing air, but not warm enough. Any ideas what it could be?

Contractor's Assistant: Did you double-check the thermostat's settings? And what about the filters?

The thermostat's is ok. I even install another one and it is doing the same. The thermostat's been working ok for quite a while. The filter is ok...

Contractor's Assistant: Do you plan on doing the work yourself?

Yes.

Contractor's Assistant: Anything else we should know to help you best?

I am a computer programmer, so if necesary I could replace the circuit board .... I see it is a carbide whilete-rodgers....

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Answered in 2 minutes by:
3/15/2018
Rick
Rick, HVAC Supervisor
Category: HVAC
Satisfied Customers: 23,788
Experience: 40+ yrs. experience as a licensed oil & gas technician.
Verified

Welcome to Just Answer, my name is ***** ***** I will do my best to help you with your

issue. First I’ll need some more info so I have a more complete picture of your situation.

What is the model of your unit? What is the LED flash sequence on the board?

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Customer reply replied 1 month ago
Led flash on the board is solid Red. Where do I find the model No.? The unit is a Goodman unit, board says carbide white-Roadgers. It looks like this one, https://www.ebay.ca/i/282760672003?chn=ps&dispItem=1

Model is on the rating tag inside the burner compartment.

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Customer reply replied 1 month ago
The model is GK90703BXAC.

Goodman model numbers start with at least 3 letters. I'll assume it's a GKS. First thing to try is to clean off the flame sensor rod with steel wool or a green ScotchBrite pad (fine sandpaper in a pinch). It's positioned in the burner array, has 1 lead and looks similar to the attached pic (probably not bent. Clean it off, put it back then power the unit back up and tell me what happens.

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Customer reply replied 1 month ago
It looks like it working fine now.... I'll keep an eye on it. Thanks a lot. Carlos.

You're welcome. I'd appreciate a favorable rating

Rick
Rick, HVAC Supervisor
Category: HVAC
Satisfied Customers: 23,788
Experience: 40+ yrs. experience as a licensed oil & gas technician.
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