If the burner does not ignite gas could be not reaching the burner the flame may not be lighting or the vent motor may not be running.
Goodman furnace running but not heating.
If the igniter is cracked replace it.
Lastly if your home is not weatherized your furnace might not be able to reach the temperature that you set your thermostat to.
The ignitor is not heating up and the exhaust fan is not turning on.
The status light is blinking 4 times over and over.
This may be the case if your goodman furnace won t ignite but the light is on continuously.
Goodman furnace not igniting burners if this is the case it could be several things depending upon the error code that you are getting.
If the blower motor is burned out replace it.
If after doing all these things the furnace does not produce heat it might require a new igniter in pilot less furnaces.
Is this a parts problem or too much for a good rooky to handle.
The blower motor blows air through the return vent past the heat exchanger and into the home s venting.
If the igniter is not cracked use a multimeter to test the igniter for continuity.
Turn the circuit breaker off and on to reset an electric furnace.
As a result your furnace will continue to run.
But it s not hot air coming out it s cold.
The blower is staying on even with the thermo turned off.
It could also be the pressure switch or blockage in the vent.
You can hear the furnace running and you can even feel air coming out of the registers.
The igniter gets very hot and glows bright orange to light the gas burner.
Well it s not cold cold it s just room temperature.
First make sure that power is getting to the motor.
The house is cold.
To determine if the igniter is faulty remove the igniter and inspect.
Make sure that your thermostat is set to heat and not cool and ensure that the fan is set to auto.
If the blower motor hums check the blower fan to ensure that it spins freely.
All you need to do is locate the gas supply valve and rotate it in a counterclockwise direction to open it.
Simply use hvac tape to cover up any leaks and reattach any sections that have become detached.
There s nothing to it.
Then check to be sure that the thermostat is set to a temperature high enough to trigger the furnace to emit heat.
As if the furnace is just recirculating the air in your house without actually heating it.
My goodman funace gmpn 100 4 is blowing but no heat.