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Old 10-24-2012, 04:00 PM   #1
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Trane furnace won't ignite


I have trane furnace model tde060a936c0 and it doesn't ignite. When I turn my thermostat to heat I hear a clicking noise on it, then I go to the furnace and I hear the blower motor turn after a few seconds I see the hot surface ignitor glow red hot after a few more seconds I hear a few clicks and get no ignition. It tries 3 times then enters lockout. I know I have gas because my gas water heater works. Also last winter was having the same problem I tried tinkering with it and broke the hot surface ignitor and called my local HVAC store and got a replacement. Still having problems I had a professional come look and I dont know what or if he did anything but it started working fine and told me there were no problems and left. Now I have the problems.

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Old 10-24-2012, 04:49 PM   #2
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Trane furnace won't ignite


Do you hear a click from the gas valve just after the ignitor gets hot?

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Old 10-24-2012, 04:53 PM   #3
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Trane furnace won't ignite


At this point I'd say the gas valve is failing to open. This could mean that either it's not receiving voltage (but you said you heard a few more clicks just after the ignitor gets hot which is usually the valve receiving voltage) or it's simply gone bad and won't open.
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Old 10-24-2012, 05:35 PM   #4
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Trane furnace won't ignite


have to ask..is gas valve open on line...and is gas valve switch in open position...sorry someone had to ask...ben sr
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Old 10-24-2012, 05:47 PM   #5
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Trane furnace won't ignite


Yes I believe there are 3 clicks after the ignitor gets hot but it doesn't ignite I don't hear the sound of any gas coming out of the burners. I know the gas valve is on going to the furnace and also the main valve is on because it's tied into the water heater which works fine.
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Old 10-24-2012, 05:59 PM   #6
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Trane furnace won't ignite


Here is the gas valve
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Old 10-24-2012, 06:01 PM   #7
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Trane furnace won't ignite


Here is the burners
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Old 10-24-2012, 06:02 PM   #8
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Trane furnace won't ignite


This is the controlboard
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Old 10-24-2012, 06:03 PM   #9
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Trane furnace won't ignite


Model and serial
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Old 10-24-2012, 08:49 PM   #10
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Trane furnace won't ignite


remove burners and wash out with water
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Old 10-24-2012, 10:27 PM   #11
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Trane furnace won't ignite


Would that really do anything?
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Old 10-24-2012, 10:50 PM   #12
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Trane furnace won't ignite


I did remove the big pipe feeding the blower there was alot of dust and dirt in there like piles
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Old 10-24-2012, 11:05 PM   #13
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Trane furnace won't ignite


The ignitor wouldn't glow hot if there was an exhaust air restriction big enough. The order of a furnace on call for heat is exhaust inducer motor starts which pushes air out of that flue pipe, closes a pressure switch which tells the furnace it's okay to light up as the burnt fumes can indeed be removed, then the ignitor glows, then the gas valve is sent voltage and should open, then flames and maybe 20-30 seconds after flames the main blower finally kicks in.

We need to know if indeed the gas valve is receiving voltage. You'd d need an electrical testing meter. Then we need to know both the inlet and outlet gas pressure of the gas valve. Debri in the gas line feeding the furnace can build up and block gas pressure inside the valve.
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Old 10-25-2012, 12:05 AM   #14
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Trane furnace won't ignite


I dont have a voltage meter or know how to use one if I did I bought a new thermostat and hooked it up and still same problem. I assume the gas switch is working because I can feel it vibrate and hear it click while the ignitor is glowing but I could be wrong is there a way to test the gas valve switch to see if it's functioning properly so I can check that off?
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Old 10-25-2012, 01:16 AM   #15
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Trane furnace won't ignite


A manometer tests pressures. A new digital one comes with fittings you screw into the gas inlet and outlet ports.

The one I have is around $200.00.

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