Goodman Furnace Gas Valve Not Getting 24 Volts

Testing with a multimeter lets you know the valve works.

Goodman furnace gas valve not getting 24 volts.

Las vegas air conditioning i. I did check voltage at 24 volt transformer and have 24 volts. Is it possible to loose voltage thru the board. As well as f.

You would need to troubleshoot and test using a volt meter to find where the problem is. For example if the temperature in your house falls below the setting on the thermostat such as 68 degrees fahrenheit the gas valve opens to activate the furnace and produce more heat. Also cleaned th flame switch. I checked all safety stats and have continuity.

For example if the red wire is connected to w on the thermostat the furnace should turn on. Maybe no gas to the pilot. When the building reaches the desired temperature a separate signal causes the gas valve to close. Check directly across the terminals on the gas valve for 24 v ac to test whether the gas valve is getting full voltage a.

In this video i troubleshoot a straight cool ac condenser that does not respond when the thermostat is turned on into cool mode. This video will help you diagnose and troubleshoot low voltage issues you may be having with your thermostat red wire using your multimeter. Getting less then 24 volts may 18 volts causing the valve to chatter. When the red wire is disconnected from w the.

If you are not getting 24 volts to the contactor coil then you either have a thermostat problem thermostat wire problem or a safety control problem high or low pressure switch time delay relay. This sounds like your furnace is sparking clicking but there is not any ignition to the pilot. Goodman gas furnace intermittent gas valve problem.