Question about Kenmore 74812 Gas Dryer

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Kenmore gas dryer won't heat up

Replaced the igniter and the cut off assembly... dryer worked until I put it back together. igniter still igniting but no flame..... any suggestions?

thanks,
mike

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Hello, your problem is going to be the flame sensor, this is located on the side of the tube where the flames are. if you have an ohms meter check it for condinity..you should find you don't get any reading on your meter, this will tell you it's bad..you should replace it. If you have any other questions or concerns please feel free to comment again. Good Luck!!! Mike

Posted on Jul 23, 2009

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Your ignition unit may be worn out and will need to be replaced. Generally, a heating element comes on and once it reaches a certain temperature, it ignites the gas pilot. Then the heating element cools off because the gas is now burning and producing heat. When this heating element stops working correctly, it will not reach the right temperature to ignite the gas. You'll need to have a professional perform the repair. If the dryer is still under warranty, this might be covered.
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I really hope this solves your problem. If it does, please come back to Fixya and rate my advice!

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My kenmore gas dryer will not heat up. it runs but stays cold?


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1 Answer

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Here is the heat control and duct fuse: themobilian_2068.jpg
Check that fuse next to that control. If it is open the dryer gas assembly won't get any power.
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Manual and more good stuff HERE

themobilian_2074.jpg




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1 Answer

Kenmore 300 gas dryer..not getting hot only nine months old


Hello there:
If your dryer doesn't heat, check these: IIgniter Modern gas dryers use an electric igniter to ignite the gas from the gas valve. When it's working properly, the igniter glows bright orange. When it burns out, the dryer tumbles but there's no heat because the gas can't ignite. When the igniter burns out, you need to replace it. If the igniter is held by a tension bracket, you very well may need to replace the bracket too. The igniter is inside the dryer housing, near the bottom front, usually in a cone-shaped metal tube (the force cone). It's about 2 inches long. It's mounted to the far end of the burner tube, and it has two wires attached to it--or to the tension bracket, if there is one. Gas valve coils Watch the igniter. Does it glow bright orange, then shut off without igniting the gas? (When the gas ignites there's a large blue flame.) If so, there may be defective coils on the gas valve. Mounted on the top of modern gas valves, there are black electrical coils. The coils, when energized, open the gas valve. If one or more of the coils are defective, the valve doesn't open and the gas cannot ignite. Because it's often difficult to properly test the coils, it's usually best to replace both (all) of them at the same time. Thermal fuse On many dryers, there's a thermal fuse (a heat-sensitive fuse that blows if the dryer overheats) mounted to the exhaust duct inside the back cover panel. The fuse is about an inch long. It's usually embedded in black resin and mounted in a white plastic housing. If the fuse has blown, it has no continuity. When this happens, your dryer either just stops heating, or it doesn't work at all. Be sure to inspect the venting/heating system before replacing the fuse to put the dryer back into operation. (You can't re-set this type of fuse.)

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1 Answer

Not heating up


If this is an ELECTRIC dryer, the following link will give you some advice on how to troubleshoot a no heat problem:

http://www.fixya.com/support/r3576548-dryer_runs_but_does_not_heat

If this is a GAS dryer, the most common failure for heat related problems in a gas dryer is a weak or blown igniter on the burner assembly. The way the ignition system is supposed to work is like this:

1. Select the dryer cycle and press start.
2. The drum begins to spin and the igniter begins to glow.
3. Once the igniter reaches a certain current potential, the gas safety valve opens.
4. Gas is introduced into the manifold and you have ignition.

NOTE: It can take roughly 30 – 90 seconds from the time you start the dryer to the time it takes for the gas to ignite.

NOTE: This is a designed safety feature of the appliance that prevents free flowing gas from accumulating in your home without ignition. That’s why you typically don’t hear any gas flowing when you have an igniter problem. You might think you have a gas problem when actually you have an ignition problem.

TWO BASIC IGNITER TYPES:

Carborundum (Cylindrical in shape) – needs to produce 2.5 to 3.0 amps for the gas safety valve to work.
Norton (Rectangular in shape) – needs to produce 3.2 to 3.7 amps for the gas safety valve to work.

NOTE: There is a UNIVERSAL FLAT BAR igniter on the market as well, that can be used as a substitute if the igniter type that came with your range is not available.

The igniter typically goes bad in one of two ways, the igniter either stops glowing completely, or becomes weak over time and doesn’t produce enough current to open the gas safety valve (in this case the igniter will still glow but the dryer still won’t light). Longer ignition times can be another symptom of an igniter possibly going bad.

You can purchase a replacement at any of the following websites:

searspartsdirect.com
pcappliancerepair.com
appliancepartspros.com
repairclinic.com

The first three sites on the list also offer some excellent exploded view diagrams of the appliance.

If your replacement igniter comes with a connector plug that does not match your appliance, you will be instructed to cut the old plug off and splice the wires together using ceramic wire lugs included in the kit. Do not use standard wire lugs as they will melt.

If you have any questions, please post back with your complete model number and let me know. For future reference, always include a brand name and model number when posting questions. This makes it much easier to diagnose the problem. I hope this helps you.

Dec 23, 2009 | Dryers

1 Answer

Dryer is not heating


If this is an ELECTRIC dryer, the following link will give you some advice on how to troubleshoot a no heat problem:

http://www.fixya.com/support/r3576548-dryer_runs_but_does_not_heat

If this is a GAS dryer, the most common failure for heat related problems in a gas dryer is a weak or blown igniter on the burner assembly. The way the ignition system is supposed to work is like this:

1. Select the dryer cycle and press start.
2. The drum begins to spin and the igniter begins to glow.
3. Once the igniter reaches a certain current potential, the gas safety valve opens.
4. Gas is introduced into the manifold and you have ignition.

NOTE: It can take roughly 30 – 90 seconds from the time you start the dryer to the time it takes for the gas to ignite.

NOTE: This is a designed safety feature of the appliance that prevents free flowing gas from accumulating in your home without ignition. That’s why you typically don’t hear any gas flowing when you have an igniter problem. You might think you have a gas problem when actually you have an ignition problem.

TWO BASIC IGNITER TYPES:

Carborundum (Cylindrical in shape) – needs to produce 2.5 to 3.0 amps for the gas safety valve to work.
Norton (Rectangular in shape) – needs to produce 3.2 to 3.7 amps for the gas safety valve to work.

NOTE: There is a UNIVERSAL FLAT BAR igniter on the market as well, that can be used as a substitute if the igniter type that came with your range is not available.

The igniter typically goes bad in one of two ways, the igniter either stops glowing completely, or becomes weak over time and doesn’t produce enough current to open the gas safety valve (in this case the igniter will still glow but the dryer still won’t light). Longer ignition times can be another symptom of an igniter possibly going bad.

You can purchase a replacement at any of the following websites:

searspartsdirect.com
pcappliancerepair.com
appliancepartspros.com
repairclinic.com

The first three sites on the list also offer some excellent exploded view diagrams of the appliance.

If your replacement igniter comes with a connector plug that does not match your appliance, you will be instructed to cut the old plug off and splice the wires together using ceramic wire lugs included in the kit. Do not use standard wire lugs as they will melt.

If you have any questions, please post back with your complete model number and let me know. For future reference, always include a brand name and model number when posting questions. This makes it much easier to diagnose the problem. I hope this helps you.

Dec 22, 2009 | Dryers

1 Answer

Will not heat up in any cycle


If this is an ELECTRIC dryer, the following link will give you some advice on how to troubleshoot a no heat problem:

http://www.fixya.com/support/r3576548-dryer_runs_but_does_not_heat

If this is a GAS dryer, the most common failure for heat related problems in a gas dryer is a weak or blown igniter on the burner assembly. The way the ignition system is supposed to work is like this:

1. Select the dryer cycle and press start.
2. The drum begins to spin and the igniter begins to glow.
3. Once the igniter reaches a certain current potential, the gas safety valve opens.
4. Gas is introduced into the manifold and you have ignition.

  1. NOTE: It can take roughly 30 – 90 seconds from the time you start the dryer to the time it takes for the gas to ignite.

NOTE: This is a designed safety feature of the appliance that prevents free flowing gas from accumulating in your home without ignition. That’s why you typically don’t hear any gas flowing when you have an igniter problem. You might think you have a gas problem when actually you have an ignition problem.

TWO BASIC IGNITER TYPES:

Carborundum (Cylindrical in shape) – needs to produce 2.5 to 3.0 amps for the gas safety valve to work.
Norton (Rectangular in shape) – needs to produce 3.2 to 3.7 amps for the gas safety valve to work.

NOTE: There is a UNIVERSAL FLAT BAR igniter on the market as well, that can be used as a substitute if the igniter type that came with your range is not available.

The igniter typically goes bad in one of two ways, the igniter either stops glowing completely, or becomes weak over time and doesn’t produce enough current to open the gas safety valve (in this case the igniter will still glow but the dryer still won’t light). Longer ignition times can be another symptom of an igniter possibly going bad.

You can purchase a replacement at any of the following websites:

searspartsdirect.com
pcappliancerepair.com
appliancepartspros.com
repairclinic.com

The first three sites on the list also offer some excellent exploded view diagrams of the appliance.

If your replacement igniter comes with a connector plug that does not match your appliance, you will be instructed to cut the old plug off and splice the wires together using ceramic wire lugs included in the kit. Do not use standard wire lugs as they will melt.

If you have any questions, please post back with your complete model number (located on a nameplate around the door opening) and let me know. I hope this helps you.

Dec 21, 2009 | Washing Machines

1 Answer

There is no heat


If this is an ELECTRIC dryer, the following link will give you some advice on how to troubleshoot a no heat problem:

http://www.fixya.com/support/r3576548-dryer_runs_but_does_not_heat

If this is a GAS dryer, the most common failure for heat related problems in a gas dryer is a weak or blown igniter on the burner assembly. The way the ignition system is supposed to work is like this:

1. Select the dryer cycle and press start.
2. The drum begins to spin and the igniter begins to glow.
3. Once the igniter reaches a certain current potential, the gas safety valve opens.
4. Gas is introduced into the manifold and you have ignition.

  1. NOTE: It can take roughly 30 – 90 seconds from the time you start the dryer to the time it takes for the gas to ignite.

NOTE: This is a designed safety feature of the appliance that prevents free flowing gas from accumulating in your home without ignition. That’s why you typically don’t hear any gas flowing when you have an igniter problem. You might think you have a gas problem when actually you have an ignition problem.

TWO BASIC IGNITER TYPES:

Carborundum (Cylindrical in shape) – needs to produce 2.5 to 3.0 amps for the gas safety valve to work.
Norton (Rectangular in shape) – needs to produce 3.2 to 3.7 amps for the gas safety valve to work.

NOTE: There is a UNIVERSAL FLAT BAR igniter on the market as well, that can be used as a substitute if the igniter type that came with your range is not available.

The igniter typically goes bad in one of two ways, the igniter either stops glowing completely, or becomes weak over time and doesn’t produce enough current to open the gas safety valve (in this case the igniter will still glow but the oven still won’t light). Longer ignition times can be another symptom of an igniter possibly going bad.

You can purchase a replacement at any of the following websites:

searspartsdirect.com
pcappliancerepair.com
appliancepartspros.com
repairclinic.com

The first three sites on the list also offer some excellent exploded view diagrams of the appliance.

If your replacement igniter comes with a connector plug that does not match your appliance, you will be instructed to cut the old plug off and splice the wires together using ceramic wire lugs included in the kit. Do not use standard wire lugs as they will melt.

If you have any questions, please post back with your complete model number and let me know. I hope this helps you.

Dec 17, 2009 | Whirlpool Dryers

1 Answer

Kenmore gas dryer model 110.76814690 will not heat up


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a%20igniter.jpg Igniter and that frees up the power so that the coils can be fully energised and open the gas gates. The gas comes out and hits the red hot igniter and you have ignition. It stays on for maybe 2 or 3 minutes or until the control thermostat is satisfied and shuts down power to the gas valve assembly. So... If your gas dryer has a good flame sensor and a good igniter AND the dryer will work some and quit, replace these: dryer%20coil%20kit.jpg Gas operator coils NOTE: The coils get hot and quit on these machines when they get a little age on them. It is aggrevating because it is a hard to diagnose thing. But well worth the 20 bucks.

Dec 21, 2008 | Kenmore 63942 Dryer

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