Goodman Furnace Glow Plug Not Working

Thermostat calls for heat.

Goodman furnace glow plug not working.

Disconnect the hsi and hook the meter to the connector end coming from the terminal board. Make sure your water drain on a 92 furnace is open. My goodman furnace is 7 years old after the glow plug has ignited and heater starts it shuts of after 10 20 seconds. Draft inducer motor starts.

If the furnace locks out you know for sure there is an issue and to clear a code just turn power off for. Verify the furnace is set to on and the floor or wall vents are open. Examine the ignitor for burn spots or. Turn the furnace off and leave the house.

After the vent fan has run for about 17 seconds you should see 120 volts at the connector. When a furnace has a bad ignitor. If you can get ahold of a volt meter set it for 120 volts a c. Also all of your limit controls and other safety devices must be closed a closed circuit between the two connections to allow the furnace ignitor to glow and start the ignition process.

This is what i see in the furnace sequence of operation. The goodman furnace may not be receiving an adequate gas supply if the glow ignitor turns on but the furnace cannot ignite. The most common cause for a furnace not working is that the filters are dirty. If too much water backs up into the draft inducer it will not allow the pressure switch to close.

Stop immediately if you smell gas. I can light the furnace answered by a verified hvac technician. The ignitor doesn t glow. We use cookies to give you the best possible experience on our website.

Find the gas supply valve next to or behind the furnace and rotate the valve to the open position typically by twisting counterclockwise. It is getting the command to light it s just not so the board my not see the issue just yet. Furnace will not ignite the gas to produce heat for your home. If you see this voltage the hsi is shot.