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Furnace Gas Valve Not Opening


Furnace Gas Valve Not Opening. The component itself is straightforward. I cleaned the flame sensor, the element heats up but the gas valve never

I have a trane XE90 TUC100c948 furnace and I am getting a thermal
I have a trane XE90 TUC100c948 furnace and I am getting a thermal from www.justanswer.com

The wires to the gas valve will go through this switch. Its primary purpose is to open and close the gas line to allow or cut the gas flow to the pilot light and burner (s). Open the furnace door and locate the valve.

However, It Forms A Critical Part Of The Gas Furnace, Without Which The Furnace May Not Function Properly.


Turn off power to your furnace. May then retry 2 more times. There are other issues that may cause the same symptom, so you need an experienced technician to diagnose the problem and apply the proper repair.

The Problem May Go Beyond Your Gas Valve.


But it will try to turn the gas valve and then immediately look for the fire, if no fire then shuts down gas valve within seconds. The gas valve is responsible for delivering a steady stream of gas to the furnace’s burners. The furnace gas valve is a component of the furnace’s fuel system.

The Printed Circuit Board Or Electric Solenoid Attached To The Gas Valve Isn’t Telling The Valve To Open, Or That Gas Valve Board Is Telling It To Open.


Place a jumper wire between the terminals. Use a multimeter to test the voltage at the two wires that run from the control board toward the valve. Outlet gas pressure starts at 2.5 and slowly raises to 3.5 after approximately 4 seconds ( have to manually light burners to take this reading).

I Cleaned The Flame Sensor, The Element Heats Up But The Gas Valve Never


In some cases, your hvac system’s flame detector. How to fix the first step is to get to the gas valve. If the gas valve is stuck closed, then the furnace won’t fire up.

If The Gas Valve Is Stuck Or Otherwise Malfunctioning, Your Furnace May Shut Down Completely Or Just Stop Delivering Warm Air.


Return the panel, turn on the furnace, and see if the issue is resolved. Stick your multimeter probes into the wires. What furnace make and model.


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