Question about Desa International Blower Glow Warm Wall Heater

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The pilot light goes out when the control knob is released, or a few seconds afterwards. When the pilot stays on, if the flame knob is turned, the pilot goes out immediately

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Clean pilot blow out with air or change thermocouple

Posted on Nov 06, 2010

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1 Answer

Oven lights but then flame goes out as soon as I release the knob


The flame sensor seems to be bad.

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Mar 18, 2008 - Similar Questions: light pilot stays till release button suggestions ... If you have held it for a long time and it still won't stay lit, then your thermocouple is bad.... the gas valve doesn't think a flame is burning the gas coming out of the pilot ... less likely but somewhat common is the gasvalve... if the knob you are ...

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1 Answer

Pilot light blew out by a fan..I turned the control off..How do I Ignite Please


First locate where to light pilot. You can do this by following thin aluminum colored tubing from control valve to inside heater.In general on top of your gas control valve is a knob. Turn indicator of this knob to pilot and depress knob. This will start gas flow to pilot at end of thin tube. Hold this knob in the depressed position and light pilot. DO NOT release knob for 30 -45 seconds. Then release knob and pilot will remain lit. Then turn knob to on position. If pilot will not stay lit you may need a new thermo coupler, which senses heat from flame to keep pilot gas flow open.
Good luck

Mar 10, 2015 | Heating & Cooling

1 Answer

Need to light pilot light


You need to turn the knob on the gas valve (inside the heater) to the "pilot" position. Then, while holding a flame over the pilot assembly push down on the knob.

Gas should come out of the pilot and ignite. Continue holding the knob down for 10-15 seconds. Release the knob and the pilot should stay lit. If not the pilot generator may need to be replaced.

Turn the knob to the "on" position, close the heater and turn the heater on and turn the thermostat to hot. The heater should fire. If it does not fire and the pilot goes out, that may also indicate a pilot generator problem.

Nov 20, 2013 | Teledyne Laars Pool & Spa

1 Answer

RHFE Rinnai 551FT gas heater is not working after 7 years


see this steps and fix it. God bless you
.
If 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.
To light the pilot on a standing-pilot (always on) ignition system, follow the lighting instructions located near the control. Otherwise, try these steps:
Light the pilot:
  1. gasfurnace1.jpg Press and hold the pilot control knob to start the pilot. Set the control knob to the pilot position. Hold a long match under the pilot gas port.
  2. Press the control knob; the pilot should light. Hold the control knob down until the flame is burning brightly (about 30 seconds). Release pressure on the knob, and turn it to the on position.
  3. If the pilot goes out when you release the control knob, try relighting, holding the control knob down longer. If the pilot again goes out, check the thermocouple (below).
Adjust the pilot:
  1. Remove any cap covering the pilot adjusting screw on a combination control.
  2. Turn the adjusting screw counterclockwise to increase the flame or clockwise to decrease it. It is correctly adjusted when the flame envelops the thermocouple bulb by 1/2 inch and appears dark blue with a small yellow tip.
Test and replace a thermocouple:
  1. Hold the control knob to pilot and light the pilot as above.
  2. Unscrew the thermocouple fitting with an open-ended wrench.
  3. Set a multimeter to the DVC (lowest voltage) scale.
  4. Clip one multimeter lead to the end of the thermocouple tube nearest the pilot and the other lead to the fitting on the other end of the tube.
  5. If the multimeter shows a reading besides zero, the thermocouple is functioning. Replace the thermocouple tube.
  6. If there is no reading, you will need to clean or replace the thermocouple following steps 7 through 11.
  7. Release the control knob and shut off the main gas valve on the gas-supply pipe that leads into the burner. Shut off power to the burner at the electrical service panel .
  8. Remove the thermocouple from its mounting bracket.
  9. Wipe the combination control clean and install a new thermocouple, tightening it by hand, then give it a one-quarter turn with a wrench.
  10. Insert the thermocouple into the pilot bracket, being careful to not crimp the tubing.
  11. Turn on power to the furnace and relight the pilot (above).
Adjust an adjustable burner air shutter:
  1. Set the thermostat to its highest setting to keep the burner running. Once the furnace has heated up, remove the burner access panel and loosen the locking screw.
  2. Open the shutter by turning it to the right until the blue base of the flame appears to lift slightly from the burner port surface. Then close the shutter until the flame reseats itself on the surface.
Clean removable burner tubes and ports:
  1. Shut off gas and power to the furnace.
  2. Unscrew or loosen and remove the tubes from the supporting bracket.
  3. Carefully clean the tubes with a brush or vacuum, making sure not to damage the burner ports.
  4. Use a stiff wire to clear any debris from clogged ports.

Sep 30, 2012 | Heating & Cooling

1 Answer

Pilot light is ok burner will not ignite. the flame goes out soon as i release button.


You seem to have left a mixed message, as far as the problem is concerned. However, I think I have figured it out. But, first, let's go through the lighting procedure. To light the PILOT, you turn the Control Knob to PILOT and push the knob all the way in. While holding the knob in, you press the ignitor button. Once the pilot lights, you continue to hold the knob in for 30 to 60 seconds (which allows the Thermocouple to fully heat up), then you ease off on the control knob and the pilot stays lit. Right? Then you turn the control knob to ON and the Burner lights. But, that's not what's happening with your heater.

In a short version here's what I think you meant ... When you release the Control Knob from the PILOT position, the Pilot Flame goes OUT. It never has a chance to light the burner. Right?

If this is the case, couple off things can cause this. First, the Oxygen Depletion Sensor (ODS) is clogged with dust, lint and/or pet hair. Therefore the ODS sensor is reading the Oxygen level as Unsafe for operation. Secondly, the Pilot is dirty and is not allowing the flame to touch the Thermocouple as it should. The way to tell this, is the pilot flame curves upward, rather than being straight and lifts off the Thermocouple.

In addition to the two things I have listed which are the problem 90% of the time, there are 7 more. But rather than list all of them and how to fix the problem, I'm including a link to the Owners Manual for your heater. You can download and print is for now and future reference. Pay close attention to the Troubleshooting Guide. That's where you'll find the other 7 problems and their solutions.

http://www.desatech.com/manuals/Vent-Free%20Heaters/117001-01.pdf

Armed with all this information, I feel confident that you can Troubleshoot and solve the problem.

Please let me know how it works out for you.

Mar 08, 2011 | Desa International GWN10T Wall Mounted...

1 Answer

Pilot turns on but when I switch to turn it on,


When you light the pilot, are you holding it down for 30-60 seconds. When you release the pilot button, does the pilot flame stay lit? Or does it only go out when you turn the knob to on position. Make sure the pilot flame is heating the end of the thermocouple and that it's a strong blue flame, not a lazy yellow pilot flame. Make sure the tip of the thermocouple is not burn't off, which usually happens with lazy yellow pilot flames. Replace thermocouple is nothing else works.

May 13, 2010 | Coleman 5040-751 BackHome Open Flame Patio...

1 Answer

Greenhouse Heater pilot light will not stay lit


replace the thermocouple. it is a small copper tube that screws into the gas valve and goes to the pilot assembly. a good haedware store that sells heaters will have one. they come in various lengths 18"-48".

Nov 30, 2009 | Heating & Cooling

1 Answer

Pilot wont light


If the pilot light goes out when you release the primer,then the thermocouple is bad.You can try to adjust the thermocouple,if it can be.It needs to be in the pilot flame.If the thermocouple is not in the flame,it will not stay lit.If you can not get the pilot to light at all,with the primer pushed down,then replace the regulator.To light the pilot light,you need to turn the dial to pilot.Then press the primer button down and hold it.The primer is either built into the turn knob,or it is a res button.Hold the primer down,and light the pilot,continue holding the primer down for at least 40 seconds.Then release the primer slowly,and if the pilot light starts to get weak,and try to go out,then push back down,and hold 30 seconds more.After the pilot stays lit,turn the knob to furnace or low,or whatever the directions say.

Oct 19, 2009 | Heating & Cooling

1 Answer

Burner will not ignite as pilot light goes out when knob is released


Are you holding the knob for 30 or more seconds,If so,Clean or replace the thermocouple/Flame sensor.

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1 Answer

Lighting a glo warm heater


Is this a new heater or have you had it awhile? If new, yuo may have air in the line that will need to be bled out. The heater has a gas valve with a pilot setting on it. Make sure the gas is turned on. Turn the knob to the pilot setting and depress the handle. Holding it down and at the same time, press down on the red button that sparks. You may have to repeat this a few times. Once the pilot lights, continue to hold down on the pilot knob for about 30 seconds. When uou release the knob, the flame should stay o. If it does not, replace the thermocouple. Once the pilot flame is steady, turn the gas valve knob to on.

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