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Ods sensor needs replacing

Gas logs

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You will have to purchase an entire pilot assembly. Contact manufacture and purchase or find a distributor.

Posted on Feb 10, 2013

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SOURCE: neeo ods pilot 104286-01 for comfort glow gas log

You can purchase this part at www.allpartsinc.com

Posted on Nov 03, 2010

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My natural gas glo warm gwn6 wall heater keeps shutting off


Julie, the problem you're having with your DESA, Gas Glo Warm heater may be the result of a clogged Oxygen Depletion Sensor (ODS) which is part of the pilot. I have included a link on how to clean the pilot and the ODS, as well as the burner, that you can download and print for future reference.

http://www.desatech.com/techDocs/Cleaning%20Demonstrations.pdf

In addition, the thermocouple may be failing and will need to be replaced. To troubleshoot this, here is another link that will help you. http://www.desatech.com/techDocs/Thermocouple%20Troubleshooting.pdf


If after doing all of the above and you fin it's necessary to replace the Thermocouple, You can purchase one from A & B Sales

Sep 23, 2011 | Heating & Cooling

2 Answers

The heater will shut down after about ten seconds.


Graham there are a couple of things that could be causing what you described.

The Oxygen Depletion Sensor (ODS) which is part of the pilot assembly could be clogged with dust, lint or pet hair. When this happens, the ODS reads the oxygen level as unsafe for operation. Using canned compressed air with a straw nozzle (like you clean your computer with) to blow out the ODS and the pilot tip should solve the problem.

Also, if the air louvers of the cabinet of the heater may also be clogged. Keeping them clean is important.

The Thermocouple, which keeps the pilot lit, may have failed. In which case it will need to replaced.

I hope this helps you to further troubleshoot & solve the problem. Thanks for choosing FixYa.

Sep 09, 2011 | Rinnai RHFE-1004FA 38,400 BTU Energy Saver...

1 Answer

I have a everdure 6 burner gas heater. its pretty old and works sometimes. the problem is that it take a while to turn on and once it started it just turns its self off with in minutes. this happens...


Your flue-less gas heater may simply need a a good interior cleaning and servicing. From what you described it sounds like the Oxygen Depletion Sensor (ODS) may be clogged with dust, lint etc. The ODS is part of the pilot assembly and constantly reads the oxygen level in the room, when the heater is in use.If the oxygen level drops to 25% the ODS shuts the unit OFF by closing the gas valve. This can occur if the ODS is dirty, because it's falsely reading the oxygen level.

One other thing that can mimic this problem is a faulty Thermocouple. With age, they wear out. It's also a safety feature that controls the gas flow to the pilot.

Everything I have mentioned is repairable. But, if you want to make it a DIY project, it will require some dismantling of the heater cabinet to access everything and replace parts. If the heater is as you say "pretty old", you may want to consider buying a new heater. Sometimes, it's just not worth the time and effort to repair an old heater.

Hope this helped you to troubleshoot and solve the problem.

May 27, 2011 | Heating & Cooling

1 Answer

My Rinnai Flame fire classique ib30 will light, but as soon as i lift my finger it goes out, what is my solution??


From what you have describe, it sounds as if the Thermocouple on the Pilot Assembly has failed and needs to be replaced. Or if this is a Vent-free (vent-less or ductless) gas fireplace, the Oxygen Depletion Sensor (ODS) is clogged with dust, lint and/or pet hair. The ODS constantly monitors the room's oxygen level to make sure that there is enough O2 for safe combustion. The ODS is part of the pilot. The reason I mention this, is that your model does not appear in any of the Rinnai USA products. So, I don't know if it's a Direct Vent Gas Fireplace or a Vent-free Model. In any event, the Thermocouple can be an issue with both.

Hope this helps you troubleshoot the problem.

Apr 15, 2011 | Heating & Cooling

1 Answer

Hello. I fire it up. It runs one minute and shuts off. Piolet and all. I start it up. Runds 5 min and same thing.


Here's the problem. The Oxygen Depletion Sensor (ODS) which is part of the Pilot is clogged with dust, lint and/or pet hair. When that happens, the ODS sensor reads the oxygen level as unsafe for operation and shuts the unit down, by closing the gas control valve. This problem occurs quite often when the heater doesn't receive Annual Maintenance and Service.

To solve this problem yourself. You will need to dismantle (remove) the front part of the heater, carefully remove the log set and you will be able to access all of the interior workings that need to be cleaned. A Shop Vac with a brush attachment and a can of compressed air with a straw nozzle (like you clean your computer with) works well in completing the clean process. Be sure to vacuum all of the interior of the firebox, as well as the burner(s). Be sure to clean/vacuum thoroughly. While you have the logs out, vacuum them on all sides. To clean the pilot, use the can of compressed air with the straw nozzle attached and blowout the pilot tip with a quick blast of air. Look down the pilot from the tip (where the flame comes out) and about 2/3rd's of the way down, you will see a small hole in the side of the pilot. That's the ODS Sensor. Place the tip of the straw nozzle just barely into that hole and give it a quick blast of air. You will probably see debris blow out the other side. Once you have completed all of this, start to reassemble the heater. Be sure to install the logs identically to the way they were original installed. Failure to do this correctly, will cause sooting problems. If in doubt, consult your Owners Manual. Once you have completed reassembling the heater, light the pilot. Be sure to hold the Pilot Control Knob in for one minute, before releasing it and turning it to ON. If everything now works as it should, pat yourself on the back, As you just completed what's called "Annual Maintenance". This should be done every Fall, before firing the heater up for the season. If you have house pets, you should do this twice a season. First in the Fall and again in mid-January.

If all of the above did not solve the problem, the Thermocouple, which is part of the Pilot Assembly has started to fail and needs to be replaced.

Hope this helped you solve the problem. Please let me know and be sure to rate my response to you. Thanks!

Apr 14, 2011 | Procom QL300RYLA Heater

1 Answer

Pilot light ignites, but fire does not light from pilot. As soon as i release the button pilot goes out. Any ideas as what could be causing this


Not sure what type of gas appliance you're having a problem with. If it's a vent-free gas heater, fireplace or gas log set, this problem is usually associated with a clogged Oxygen Depletion Sensor (ODS), which is a safety feature. In addition, based on the age of your unit and whether or not it has had regular annual maintenance, it could be the Thermocouple or Thermopile has failed. The latter can occur with both Vent-free and Vented Gas appliances.

If you will get back to me through the comment section of this page, with more specific details of what you have, I can help you further.

Mar 18, 2011 | Heating & Cooling

1 Answer

I have a flavel emberglow gas fire the pilot light works but when you turn the fire on it stays on for about 5min then goes out including the pilot light


From what you described it sounds like the Oxygen Depletion Sensor (ODS) may be partially clogged with dust, lint and/or pet hair. The ODS is a safety device, that shuts the system down if it detects that there's not enough oxygen for safe combustion. It can be cleaned with a can of compressed air with a straw nozzle (like you clean your computer with).

Remove the logs from the burner and carefully set them of to the side, out of the way. I should mention here, the logs have to go back in the exact same position and configuration that they were in, before you took them out. So, keep that in mind. Better yet, find your Owners Manual or take a picture of the setup, before you remove them.

Once you have the logs off the burner(s), use a vacuum that has a hose and brush attachment and vacuum the burner(s), the grate and any cobwebs you see in the firebox. After completing the vacuuming, look at the Pilot Assembly. Tank the can of compressed air with the straw nozzle attached and blow out the pilot tip with a quick blast of air. Now, log down the pilot from the tip. About 2/3rds of the way down, you will see a hole in the side of the pilot. That's the ODS sensor. Place the tip of the straw nozzle just barley into that hole and give it a quick blast of air. You may see debris come out the other side. Now, reinstall the logs on the burner, the exact way they were before you removed them. Light the pilot as you normally would and once it lights, hold the Control Knob in for 1 minute. Ease of the Control Knob and turn it to the ON position, Everything should not work as it was designed.

Take a moment to pat yourself on the back. You just completed what's known as "Annual Maintenance." Which should be done at least annually. Usually in the Fall, before you light the gas logs for the heating season.

Hope this helped to solve your problem.

Rich

Mar 02, 2011 | Heating & Cooling

1 Answer

I replaced the thermalpile in my wall heater and when I turn the stat up the pilot goes out what do I do


The air intakes of the burner may be clogged or you wired the "thermopile" to the wrong contacts on the control valve.

You didn't mention if this was a vented or vent-free heater. If it's a vent-free heater the same things listed above still apply. However, it may be that the Oxygen Depletion Sensor (ODS) which is part of the pilot may be clogged with dust, lint and/or pet hair. When the T-stat calls for gas to light the burners, the ODS senses there's not enough oxygen for safe combustion and closes the gas valve.

Also, gas pressure to the heater may be low. Only enough to keep the pilot burning, but not enough to ignite the burner(s).

Hoe this helps to head you in the right direction on further trouble shooting the problem.

Mar 02, 2011 | Heating & Cooling

1 Answer

My dyna glo heater runs for about 15 minutes then shuts off,I wait for a few minutes start it and the same thing happens.


The Oxygen Deletion Sensor (ODS) is clogged with dust, lint and/or pet hair. It's a safety feature that;'s reading the oxygen level as unsafe for operation. This happens because it's clogged.

You will need to turn the gas off and dismantle the heater's cabinet to access the Pilot Assembly.
Once you've down that, locate the pilot assembly and use a can of compressed air with a straw nozzle (like you clean your computer with) to blow out the pilot tip, Then look down the pilot itself, about 2/3rds of the way down from the tip (where the flame comes out) you will see a small hole in the side of the pilot. That's the ODS Sensor. Place the straw nozzle just barely into the hole and give a quick blast of air. That should clean any debris out off the ODS Sensor.

If you notice a lot of dust and lint o the inside of the heater, clean that out with a vacuum cleaner that has a hose and brush or crevice attachment. After cleaning thoroughly, reassemble the heater, turn on the gas and give it a try.

If that didn't solve the problem, you may need to replace the Thermocouple. Depending on the age of the heater; how much it has been used and not cleaned and service at least annually, it may be wearing out.

Hope this helped solve your problem. Please let me know.

Feb 15, 2011 | Dyna-Glo RMC-8001SS Heater

1 Answer

Gas logs and pilot burns about 3min, and shuts down


This sounds like the thermocouple is losing it's contact.
You can probably remove the fitting from the bottom of the gas valve and clean the fitting.

Here are some instructions from a site:
http://www.msservice.net/ts/reseat_thermo-clean_pilot-ODS.htm

Sep 27, 2010 | Desa International Blower Glow Warm Wall...

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