Replace bad integrated control module.
Goodman furnace control board troubleshooting.
Go to where your breaker box located.
Verify power to the furnace and integrated control module is stable and within specifications.
The repair clinic troubleshooting system allows you to choose from a list of symptoms your furnace may be experiencing.
Any tools held in a person s 3.
In the meantime it will go into lockout mode.
Do not try this as a method of testing the.
If any of the safety controls like the furnace s limit rollout switches or pressure switch are open then the control board will not allow the furnace to start.
The pressure switch is located to the top left of the inducer the big black thing when you pull the cover from your goodman furnace.
How to troubleshoot goodman central air conditioning step 1.
Disconnect all power to the furnace.
Do not touch the integrated control module or any wire connected to the control prior to discharging your body s electrostatic charge to ground.
Assure proper wiring to furnace and integrated control module.
If the furnace s draft inducer will not start or if the blower motor will not start then this could very well be a control board problem.
Here is a picture of two limits and one rollout switch.
Adjust the thermostat inside your home that controls your goodman central air and heating system.
Firmly touch a clean unpainted metal surface of the furnace near the control.
Check all the breakers to make sure the circuit for the air conditioning.
Then if you enter your model number into the search field we ll show you which hvac parts are recommended to solve your goodman furnace problem.
Improper wiring to the furnace a integrated control module.
I have made this to demostrate the dangers of not taking proper precautions of safety around eletrical appliances.
Led display indicates on normal operation none.