Goodman Gas Furnace Not Igniting

Test for 24v at the gas valve.

Goodman gas furnace not igniting.

Even though the hot surface igniter does not glow and there is no gas i can t smell any after hours of operation the furnace continues to work as usual blowing cold air through into the. In this video i show how to test check an. Often times the reason air does not get to your furnace s igniter is because it is restricted. If you do not have ample voltage at the gas valve you have a wiring or board problem.

If the air in your system is not flowing it cannot produce the required gas air mixture and your home heating system will not ignite because of it. If you smell gas immediately turn the furnace off and contact the gas company or emergency services. 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. Find the gas supply valve next to or behind the furnace and rotate the valve to the open position typically by twisting counterclockwise.

High limit switch high temperature limit switch. Electronic ignition gas furnace problems troubleshooting gas furnaces are a prevalent form of heat for homes and businesses and occasionally a gas furnace needs to be repaired because of a problem with the gas furnace. It could also be the pressure switch or blockage in the vent. After turning the gas supply back on your furnace should be able to ignite itself.

Is your furnace ignitor not working or not glowing and the furnace is not igniting the gas. A goodman furnace with four blinks could be indicating that you are reaching a high limit. A gas furnace burns a mixture of air and natural or lp gas. Goodman technical support will usually only assist authorized goodman technicians.

My furnace is not performing the igniting sequence 3 cycles of igniting followed by inductor blowing and then lockout in case igniter does not glow. Stop immediately if you smell gas. Since there are many different types of gas furnaces it is difficult to cover every single possible gas furnace problem that can occur with a gas furnace in one article. If you have ample voltage your gas valve will need to be changed.

If your gas furnace wont ignite and you have a few cold days ahead before it gets fixed here is how to light it manually to get by until the furnace gets re. In any case have a licensed gas fitter with furnace service experience look at and repair your furnace. The goodman furnace may not be receiving an adequate gas supply if the glow ignitor turns on but the furnace cannot ignite.