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My pilot tries to light but never ignites. the system basically just circulates cold air.

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The most common reason a pilot will not lite is a bad thermocouple. This is the thin copper tube that runs next to the pilot and to the gas valve. These are inexpensive and pretty easy to change if you are mechanicaly inclined.

Posted on Dec 16, 2008

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Heater is not igniting


see this causes and fix it. God bless you
f there is no heat, check the electrical service panel for a burned fuse or tripped breaker. Relight the pilot light (see below). If there is not enough heat, adjust the burner air shutter (see below); and clean the burner ports (see below).
If the pilot light does not light or does not stay lit, clean the pilot orifice carefully with a toothpick, test the thermocouple and replace it if it is faulty (see below).
If the flame flickers, adjust the pilot (see below).
If there is an exploding sound when the burner ignites, adjust the pilot to a higher setting and clean the pilot orifice and the burner ports.
If the burner takes more than a few seconds to ignite, clean the pilot orifice and adjust the pilot light.
If the burner flame is uneven, clean the burner ports. If the burner flame is very yellow, clean the burner; open vents in the furnace room to provide more air; adjust the burner air shutter.
If the furnace makes a rumbling noise when the burners are off, clean the burner and adjust the burner air shutter.
If the air is too dry, wash or replace the evaporator pad if you have a humidifier; test the humidistat; and adjust the water-level float to raise the water level.
If some rooms are too cool and others too warm, the distribution system may require balancing. Refer to the Forced-Air Distribution Fix-It Guide .

Oct 08, 2012 | Intertherm Heating Cooling System 15kw...

1 Answer

Have a rinnae royal gas lok heater. Cant start it after gas was shut off. How do you get the ignition to work and start the pilot light again


When the gas was turned OFF, air got in the line(s) and created an air pocket. This air will need to purged from the system, before the heater will light. It only the shutoff valve on the gas line to the heater was turned OFF, it will be easier to purge. If your Rinnai heater has manual ignition rather than electronic ignition. Holding the control down in the Pilot position, will eventually purge the air. If you have electronic ignition, continually trying to light the unit will do the same thing, but take longer to accomplish. Consulting your Rinnai will also help you with this situation.

Hope this helps you and thanks for choosing FixYa.

Jul 28, 2011 | Rinnai Heating & Cooling

1 Answer

I recently had a ducted gas heating unit undergo a routine service. At the same time, the technician identified an external gas leak. The gas leak was subsequently fixed by another technician who noted...


The tech that fixed the gas leak had to shut the main gas supply off so if he didn't bled the line to the furnace you may still have air in the line....... Go ahead and shut the furnace off and retry to start it again it takes a couple of trys to bled the air out through the pilot.... And if that doesn't work I would call the first tech and have him recheck it......that is assuming that you have an electronic ignition type furnace.

Apr 19, 2011 | Heating & Cooling

1 Answer

How do you lite the pilot lite on a Rheem Gas Furnace Model #rgma-125a


If I recall correctly, model number Rheem furnace you listed has electronic ignition to light the pilot, when the home's thermostat calls for heat. Is this what you're having a problem with?

Mar 11, 2011 | Heating & Cooling

1 Answer

We have a Goodman gas pack (PGB 030075-1)and no heat. A/C works fine. We can get the blower to come on but nothing but cold air comes out. Do we have a pilot light on this unit that needs to be lit?


Amy,
There is no pilot light. It is electronic ignition.
If you have a gas supply and it is turned on you have electrical problems inside the unit.

Jan 04, 2010 | Goodman Heating & Cooling

1 Answer

My Amana furnace is acting up.  The pilot light works just fine and the system starts up but then shuts off immediately.  It will keep trying to start but then just blows out cold air.  Then after trying...


The furnace is not sensing the flame and is shutting off the gas. What kind of pilot do you have? If you have a Hot Surface Igniter(glow coil) It will try to igniter three times and go into safety default for awhile to clear any gas that may be in the area.
Check to see if you have a small rod that protrudes into the flames. It's usually located on the burner on the opposite end of the pilot but may be closer. Clean it with sand paper. if that works then it bought you time to get a new one. They are inexpensive.
If you have a spark igniter then clean the rod(s) on the igniter. This may work but not as often as the HSI. Good luck.

Jan 17, 2009 | Heating & Cooling

1 Answer

The heater in my central heating is not getting turn on but the fresh air and cooling is getting turn on


Check the pilot light.Older standing pilot systems use thermocouples to verify the pilot is burning before the gas valve opens.If the pilot wont stay lit replace the thermocouple.
Newer systems light the pilot.On a call for heat the igniter lights the pilot. When the heat is verified the gas valve opens . Some systems use an circuit board with flashing led lights to help troubleshooting.

Jan 11, 2009 | Heating & Cooling

1 Answer

Furnace pilot is on, pilot ignitor continues to click, no main flame


sounds like the sensing bar on the spark ignition is dirty.....a wire brush works nicely.

Oct 17, 2008 | Carrier XHB123D X/Y Series Heat/Cool Air...

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