Goodman Furnace Control Board Problems
If the relay that controls the blower motor fails while it is closed it will send continuous voltage to the bl ower motor causing the motor to run continuously.
Goodman furnace control board problems. Control board the control board has relays that regulate the voltage to each component in the furnace. Finally solved my furnace problem. The pressure switch is open a short in the pressure switch circuit blockages in the flue or many other reasons. Do not try this as a method of testing the.
If the control board is at fault replace it. Why does the blower keep running. Some of the things that might be happening are. I have made this to demostrate the dangers of not taking proper precautions of safety around eletrical appliances.
Hvac systems are designed for safety so they usually won t turn on at all if there s a faulty part such as a pressure switch or flame sensor. Your goodman furnace will go into lockout mode and try to turn on again if something happens during the inducing process to halt it. In goodman furnaces the relay switches for the fan there are two of them are integrated into the circuit board.