Goodman furnace fault code

Goodman is an American brand of heating and air conditioning products and services. Goodman offers a range of products, from heating, ventilation, and air conditioning to humidifiers and heat pumps. Goodman has been in the business for over 100 years now. In this article, we will be talking about the furnace fault code D5 which is a warning code that appears on the display when there is a problem with the thermostat or flame sensor.

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Goodman furnace fault codes can help you diagnose the problem quickly. Check out the list below for some of the most common Goodman furnace fault codes and what they mean.

F10-10: NO HEAT

-This code indicates that there is no heat present during a burner operation period. A dirty or plugged air filter, faulty thermostat, or insufficient airflow across the burner tube circuit could cause this condition.

-A good way to solve this problem is to unplug the unit and turn off all pilot lights, then check for any blockage in all return piping that feeds fresh air to the burner system, as well as any blockage in the combustion blower motor assembly or ducting.

F21-11: OUT-OF-COMBUSTION AIR SUPPLY

-This code indicates that there was insufficient supply of outside combustion air entering a burner circuit during a burn cycle period. Possible causes are an obstruction in the intake plenum

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Goodman furnace fault codes can help a homeowner identify and solve the issue by themselves.

The Goodman furnace fault codes are not always the same for two identical models of furnaces. Furnaces have different codes, but the basic process is always the same.

The fault codes can be found in different places depending on what type of furnace one has: on a display screen or on diagnostic lights.

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