Goodman furnace 3 flashes
The Goodman (goodman furnace) 3 flashes code is a common error in the HVAC system because it can result from different problems such as a capacitor, thermostat or contactor. Regardless of the root cause for this issue, it is important to identify and fix the problem to avoid any potential future issues with your heating system.
If you see this issue in your HVAC system, don’t panic. There are different steps that you can try in an attempt to fix it before calling for service from a professional technician.
If a furnace flashes three times, it can indicate that the gas valve needs to be turned off.
When a gas flame is on, the hot gases inside the burner move from bottom to top. When this is done repeatedly and continuously, the same gases will rise up and eventually burn out of the system. This causes a repetitive flashing pattern where 3 flashes indicate that it’s time to turn off the gas valve and allow fresh fuel-air mixture into the system so that combustion can continue.
Goodman Furnaces are very common for their quality, simplicity and efficiency. Goodman Furnaces come in various sizes, with multiple options for gas and electric furnaces. The best part about Goodman Furnaces is that they are made in the USA and are reliable due to their long warranty periods.
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