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I have an Atwood 8531 furnace and the blower comes gas is flowing but it won't light and it says ignition lockout fault

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  • Master
  • 6,674 Answers

Can you hear ignitor sparking when gas flowing? How did you confirm gas is flowing?

Posted on Jun 23, 2013

6 Suggested Answers

6ya6ya
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Posted on Jan 02, 2017

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SOURCE: amana gas furnace,air command 80 sv. does not ignite blows cold

Hi check out the pressure switch jump it out and see if it lights also check the igntion coil is glowing

Posted on Feb 09, 2010

kingbrizzle
  • 407 Answers

SOURCE: Fault Code on Dayton Gas Furnace

This happens when the furnaces tries to light to many times and doesnt succeed. If you stand in front of the furnace while it is coming on, you will be able to hear the problem. If its an electronic start, there will be a clicking sound, followed by the gas valve opening to start it. If it has a pilot light, make sure it is lit, then listen for the gas to come out, it will make a hissing sound. If no gas is coming out, first double check to see if the gas is turned on to the unit, if it is, then its possibly the gas valve. Oh, if it is electronic, and you hear gas, but dont see a glow inside the furnace, or no glow or gas, it could be the ignite. Hope this helps.

Posted on Dec 28, 2009

  • 24 Answers

SOURCE: Rheem gas furnace blower unit not working properly

look at circuit board and follow wires that come from fan motor, if this is a standard motor black is high and it will be going to a prong that says cool, red is low and it will go to heat, you will have a yellow and a blue that are "parked" remove red park it were the blue is and put blue on heat, if this is a variable speed motor you will have to set dip switches via your equipment manual

Posted on Sep 30, 2009

  • 232 Answers

SOURCE: dependable ninety two blower comes on no igniter glow gas flows

if you dont see the glow of the ignitor it is probably bad . you can check with a meter that has an ohms scale, unplug and test ignitor side OL would be a bad ignitor 45-110ohms ok.

Posted on Oct 03, 2009

hotuna
  • 288 Answers

SOURCE: goodman furnace

Check the roll out switch(s) and the lock out switches. They are a small disc looking about the size of a nickle, with with 2 wires attached on them. There will be a re-set button in the middle that resembles a small peg. Push this in to re-set. As the glow coil shorted out, the fuse on the control board may have blown. On the newer furnaces find the main board and look for a car type fuse. If blown, replace. You also have the symptoms of a bad limit switch, by the clicking noise (the heat fan relay) and the blower fan running instantlly.

Posted on Jan 07, 2008

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1 Answer

What is "Ignition Lockout Fault?"


I wonder why your question ended up in the wrong category.

Now that we know that it is a propane heater and not a TV I still don't know the brand name or model. I think you said 5th. wheel.
Most rv furnaces are are very similar. This is a link to trouble shooting a RV furnace.
http://www.rvforum.net/miscfiles/Furnace_Trouble-2.pdf

Atwood 8531 Service Manual
http://bryantrv.com/docs2/docs/hflamefurn04.pdf

Sep 24, 2014 | Televison & Video

1 Answer

Atwood motorhome furnace won't stay lit


I would say this is your electronic ignition system but it sounds like it is not getting gas. This is why they do a 3 time try and shut off. Check you supply line right down to the regulator. Hose could have got partially kinked along the line as well.

Jan 31, 2013 | Heating & Cooling

1 Answer

This is a Dayton gas furnace model GF9S120D20UP11H and i am getting a flash code of ignition lockout due to recycles. how do i fix it? i have taken all the filters out and washed them and also checked...


Usually a lockout code means it tryed so many times and then it locks out or stops. First, when a furnace is locked out you have to kill the power to the furnace to reset the lockout. I don't know this furnace but there are manual resets around the burner called flame rollout switches that have buttons in the middle that have to be pushed back in. Also the power vent has to come on when the furnace gets the signal from the thermostat. This is proven by a flow switch with a rubber hose on it. The next step is a 30 sec. purge, then the igniter glows or sparks and then the main burner comes on.
The other switches are hi limit on the front wall of the heat exchanger. That might get you started. If you have anymore questions rspiak1@cogeco.ca

Jan 13, 2011 | Dayton Gas Furnace Heater

1 Answer

I have an Evcon hot surface ignition furnace and can not get the heat to come on .I set my thermostat on desired temp and starts running,but the blower wont come on,on auto I have to switch to the on...


Troubleshooting and Repair
Furnaces with electronic ignition systems may be much more efficient than their early counterparts, but they do it largely through electronics. However, there are still some troubleshooting you can do but fixing the problems can involve replacement of parts more so than repair or adjustment. PROBLEM: Furnace burner will not ignite
Possible Solution
  • With a Hot Surface Ignition (HSI) system, if a gas hissing sound is heard for about 7-10 seconds and the burners do not ignite, the furnace will go into lockout mode.
  • To reset turn the furnace power switch off and back on and try again. The switch is probably located on the side of the furnace. A reset button may also be found on the solid state controller. If resetting fails again, proceed as follows.
  • Turn off power and gas to the furnace
  • Remove and check hot surface igniter being careful not to touch the heat element. If it is cracked or damaged, replace the igniter.
      PROBLEM: Furnace comes on for 7-10 seconds then turns off Possible Solution:
      • Turn off power and gas to the furnace
      • Remove flame sensor from its bracket. Lightly clean the surface with fine emery cloth and replace.
      • The problem may also lie in a bad ground or the the black and white wires being reversed (reversed polarity) at the junction box or outlet powering the furnace.
      • The electronic ignition control module must ensure current flow through the flame sensor to ground and if the polarity is reversed in the circuit there is no voltage potential and the flame sensor does not work and closes the gas valve.
      • If the black and white wires are connected correctly and the flame still drops out, then the issue may be a bad ground. Using a volt-ohm meter, measure between the white wire and the ground wire to be sure you have no voltage.

Nov 01, 2010 | Heating & Cooling

3 Answers

Fault code says pressure switch lockout


This more often than not, indicates that your pressure switch is gone and needs to be replaced. Watch the YouTube video for a fuller explanation and heed the warning to use OEM parts! Gas Furnace Pressure Switch Failure and Replacement Amazon com gas furnace parts

Feb 06, 2010 | Heating & Cooling

1 Answer

Gas valve lockout


It means that the furnace isn't igniting and for safety the control board is preventing the gas valve from opening. Turn off the power to the furnace for a few seconds then observe what the furnace does in heat mode. Some furnaces will run the blower for a minute after you power it back up. After that see if the furnace tries to come on. If you are still getting the code then one of you high temp limit or roll out switches has tripped. Now is the time for a service tech. Make sure that you check you filter and air flow too. Low air flow means the furnace may be over heating.
The other thing is the hot surface igniter. Look closely at it with the power off. Do you see a white spot on the element or a crack. If so the HSI is bad. It's an easy replacement but DO NOT touch the carbon element with your fingers and be very careful handling it as it is EXTREMELY fragile.

Mar 17, 2009 | Carrier 38BRC048 Air Conditioner

1 Answer

Fault Code on Dayton Gas Furnace


This happens when the furnaces tries to light to many times and doesnt succeed. If you stand in front of the furnace while it is coming on, you will be able to hear the problem. If its an electronic start, there will be a clicking sound, followed by the gas valve opening to start it. If it has a pilot light, make sure it is lit, then listen for the gas to come out, it will make a hissing sound. If no gas is coming out, first double check to see if the gas is turned on to the unit, if it is, then its possibly the gas valve. Oh, if it is electronic, and you hear gas, but dont see a glow inside the furnace, or no glow or gas, it could be the ignite. Hope this helps.

Jan 07, 2009 | Dayton Gas Furnace Heater

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