What you need to do is when the ignitor starts to get red check for voltage at the terminals on the gas valve.
Goodman furnace ignitor won t light.
The oldest way is by a pilot light and over the last 30 years or so these have been replaced by electronic ignition systems.
The air pressure switch does not have current going through it.
You should get 24 volts after the ignitor is at max temp.
The indicator light on the circuit board stays on red and the vent fan comes on but the main blower won t come on and the burner won t light.
This may be the case if your goodman furnace won t ignite but the light is on continuously.
When a furnace has a bad ignitor.
The furnace hot surface ignitor does not glow.
This is a diy video so we will not use any multi meter or voltage measuring device.
We will troubleshoot a furnace igniter on this goodman furnace.
A faulty or dirty ignition or sensor is a relatively easy fix so follow these steps and you may be able to solve the problem yourself.
This is typically the problem if you can hear your furnace click on but it does not fire up.
In this video i show how to test check an.
I have a goodman furnace that won t light.
How to tell if an ignitor on a gas furnace is working.
Is your furnace ignitor not working or not glowing and the furnace is not igniting the gas.
Pressure switch attached by a small plastic or rubber tube senses the negative pressure produced by the draft inducer and closes.
Goodman furnace won t ignite i have a three year old goodman furnace model pgb030075 1 that all of sudden will not ignite.
This is what i see in the furnace sequence of operation.
These newer furnaces do not use a pilot.
I have replaced the thermostat and the limit switch.
If the glow ignitor comes on but the furnace doesn t fire up some inspection and troubleshooting can be helpful.
Thermostat calls for heat.
It is typically located either.
Draft inducer motor starts.
It s also a good idea to replace your furnace s air filters at least once a year.
But does have current to it.
Gas furnaces now come with an igniter that works electronically to light the gas and heat the home.
The pilot light or ignition sensor is usually the most common issue when your furnace will not ignite.
All you need to do is locate the gas supply valve and rotate it in a counterclockwise direction to open it.
The goodman gas furnace has an automatic ignition system that doesn t require manual lighting of the pilot light.
There are two ways in which a furnace ignites the gas air mixture that comes into it.
