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Dryer tumbles continuously but does not dry. When

Dryer tumbles continuously but does not dry. When I first start it, the igniter glows and sometimes the flame goes on for a minute, then shuts off and stays off. Other times igniter turns off and never any flame. can I clean, fix, or replace something

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Check the following areas to combat this issue. the most common problem spot will be a blown Thermal fuse, but in your case, i would pay close attention to the gas valve coils.


1. Gas valve coils
igniter glows, then shuts off without igniting gas - the problem is probably with defective coils (black, located on top of the gas valve). It is recommended to replace all coils (usually two or three) if found defective.

Note: Sometimes the whole gas valve may be defective, thus not letting the gas out. However, this problem is not common.

2. Thermal fuse
Most dryers have a thermal fuse, which burns out when the dryer overheats, in which case the dryer will either not run at all or stop heating. The fuse is usually located on the vent duct, inside the dryer. A blown fuse will show no continuity when measured with a meter. Before replacing the fuse, make sure the blower wheel is not broken or clogged, and there is nothing blocking the venting.

Note: It is recommended by most dryer manufacturers to replace a hi-limit thermostat when replacing a thermal fuse.

3. igniter
igniter may burn out or break. Replace the igniter if found defective.

Note: Igniters are very fragile and break easily. It is recommended to handle the igniter only touching the ceramic part of it (usually white in color).

4. Flame sensor (or radiant heat sensor)
Replace the sensor (located near the igniter) if found defective.

Posted on Oct 03, 2009

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2 Answers

How to fix a whirlpool gas dryer that tumbles but no heat ?



Igniter and Gas Valve Coils
TEST with a multi meter: The igniter is an electric conductor that works like the element in an electric heater, glowing hot enough to ignite gas when you turn on the dryer. This conductor can burn out, and when it does, it may glow, but it won't get hot enough to ignite the gas. At times it may give a reading of continuity yet fail mechanically and not get hot enough to ignite flame though it gets hot and glows and even may show Ohms or continuity ( close circuit) ?
Occasionally, the Gas safety valve and the electric coils that control the gas valve are defective -- they can wear out when the dryer gets old. When this happens, the igniter glows, but gas never enters the heating chamber or does not stay consistant.
Performing a continuity test on either part will help you determine whether or not you need to replace it. But the coils should also be tested for amount of resistance as well as Ohms. As they may be showing ohms yet not putting out enough resistance to keep proper gas pressure flowing. Most coils should show at least 1300 ohms ( GIVE OR TAKE 150 OHMS). Anything significantly less Thus u get an ignition but then it soon goes back out. The flame does not stay lit.

Air Flow and Heat
The motor that drives the tumbler also drives a fan that circulates air through the heating chamber and the tumbler and expels it through the vent. If the air can't circulate, perhaps because of lint blockage, the heating chamber overheats, which prompts the cycling thermostat to turn off the gas. The thermostat resets when the chamber cools, but the chamber heats up quickly and the thermostat again shuts off the gas. The result is that the temperature in the tumbler doesn't stay hot, and your clothes take longer to dry, if they get dry at all.

Warning
There's a big difference between a dryer that doesn't heat up at all and one that just doesn't get hot enough to dry your clothes. In the first instance, the problem is usually a defective part, and things should be back to normal after you replace it. In the second instance, the problem is caused by restricted air flow, and you need to clear the lint filter and vents and take steps to prevent lint build-up. If you don't, you'll use more energy for drying than you need and the dryer may continue to malfunction. Worse, you may have a dryer fire.

Apr 12, 2015 | Whirlpool Dryers

1 Answer

My Kenmore elite gas dryer sometimes starts and sometimes doesnt ?


Gas Dryer no heat: or shuts down soon after heating CHECK:

Thermal Fuse
If the air flow in the dryer is restricted, the temperature in the heating chamber can get hot enough to blow the thermal fuse. If the fuse blows, it cuts power to the coils that control the gas valve. The fuse is usually mounted to the exhaust duct just inside the back panel. You can check its continuity with an ohmmeter. If, after disconnecting the fuse, you get any reading other than 0 when you touch the leads of the meter to its terminals, it has blown. There's no way to restore it -- you'll have to install a replacement.

Igniter and Gas Valve Coils
TEST with a multi meter: The igniter is an electric conductor that works like the element in an electric heater, glowing hot enough to ignite gas when you turn on the dryer. This conductor can burn out, and when it does, it may glow, but it won't get hot enough to ignite the gas. At times it may give a reading of continuity yet fail mechanically and not get hot enough to ignite flame though it gets hot and glows and even may show Ohms or continuity ( close circuit) ?

Occasionally, the Gas safety valve and the electric coils that control the gas valve are defective -- they can wear out when the dryer gets old. When this happens, the igniter glows, but gas never enters the heating chamber or does not stay consistant.
Performing a continuity test on either part will help you determine whether or not you need to replace it. But the coils should also be tested for amount of resistance as well as Ohms. As they may be showing ohms yet not putting out enough resistance to keep proper gas pressure flowing. Most coils should show at least 1300 ohms ( GIVE OR TAKE 150 OHMS). Anything significantly less Thus u get an ignition but then it soon goes back out. The flame does not stay lit.

Air Flow and Heat
The motor that drives the tumbler also drives a fan that circulates air through the heating chamber and the tumbler and expels it through the vent. If the air can't circulate, perhaps because of lint blockage, the heating chamber overheats, which prompts the cycling thermostat to turn off the gas. The thermostat resets when the chamber cools, but the chamber heats up quickly and the thermostat again shuts off the gas. The result is that the temperature in the tumbler doesn't stay hot, and your clothes take longer to dry, if they get dry at all.

Warning
There's a big difference between a dryer that doesn't heat up at all and one that just doesn't get hot enough to dry your clothes. In the first instance, the problem is usually a defective part, and things should be back to normal after you replace it. In the second instance, the problem is caused by restricted air flow, and you need to clear the lint filter and vents and take steps to prevent lint build-up. If you don't, you'll use more energy for drying than you need and the dryer may continue to malfunction. Worse, you may have a dryer fire.

Jun 02, 2014 | Kenmore 74892 Gas Dryer

1 Answer

Turns on, tumbles, ingiter glows, but no heat.


Check gas orifice for blockage. (Make sure gas is turned on obviously.)

Apr 16, 2017 | LG DLG0452W Gas Dryer

1 Answer

The dryer is not heating to dry the cloths.



Hi


If the dryer is not drying the clothes then you would need to check for the following things-

Electric Dryer---

1. Inspect the fuses and circuit breakers they may have burned out or tripped. Usually, dryer will still tumble but not create heat if a fuse or a circuit breaker is not working.

2. Check for the amp reading at 240 V, it should have reading of 24, 21 and 3 amp (approx.) for 2 lines and neutral respectively.

3. Heating element may have turned or the connection to the element might be loose. Sometimes a shorted circuit element will keep on blowing the fuse or circuit breaker.

4. Motor wiring shorting to ground.


Gas Dryer---


1. Inspect the fuses and circuit breakers they may have burned out or tripped. Usually, dryer will still tumble but not create heat if a fuse or a circuit breaker is not working.

2. Check for the continuity of the heating element in your gas dryer using a multimeter. Replace the element if continuity is not there.

3. Inspect the thermal fuse if it is burnt out, it is attached to the exhaust duct on the back panel of the gas dryer. Replace if necessary.

4. Check the igniter by first disconnecting it, and then place the probes onto the two contacts of the igniter. The meter should read under 100 Ohms of resistance, if it is above 100 then replace the igniter.

5. Check the continuity on the flame sensor. The sensors are usually located close by the igniter so are easily visible.

Hope this helps...

Daniel

Sep 20, 2010 | Dryers

2 Answers

Dryer turns on, tumbles the drum but does not ignite the gas unit to heat and dry clothes


Check the ignitor underneath the drum. (You have to open the panel to see it) It should glow shortly after the dryer starts, then the flame starts and the ignitor shuts off. If the ignitor does not glow then it or the thermostat is bad. If the ignitor is glowing but the gas does not light then the flame sensor may have to be replaced. If the gas ignites but does not stay on either the flame sensor or the coils are at fault.
See also: http://home.howstuffworks.com/how-to-repair-a-dryer.htm

If everything above is OK then the thermostat2.gif or the auto sensor is not working correctly.

Sep 21, 2009 | Dryers

1 Answer

My dryr tumbles but does not dry


Gas dryer? First thing to check is the ignitor underneath the drum. (You have to open the panel to see it)  It should glow shortly after the dryer starts, then the flame starts and the ignitor shuts off.  If the ignitor is glowing but the gas does not light then the gas valve coils may have to be replaced.  If the gas ignites but does not stay on either the flame sensor or the coils are at fault.

Electric dryer? Temperature sensor has failed or heating element has burned out.

May 30, 2009 | Whirlpool Dryers

3 Answers

Stops heatinng


Hi, first thing to check is the venting. If the vent is plugged, it will cause the heat to short cycle.
If later in the cycle, the ignitor glows but will not ignite the gas, you will need to change the coils on top the gas valve. This is a common problem.
Please let me know if I can assist you further.

Thanks
Vic

May 24, 2009 | Maytag Neptune MDG5500AW Gas Dryer

1 Answer

Dryer will not get hot.


There is a glow bar that ignites the burner. The glow bar probably needs replacing, check it with an ohm meter, usually you can see if the glow bar is broken because it is ceramic and is usually broken. Be carefull when replacing the new one not to touch the part that glows



Jan 09, 2009 | Roper REX4634KQ Electric Dryer

1 Answer

Gas dryer tumbles no heat.


I would change out the igniter, When they start failing hey will glow but not draw enough amps to open the gas switch / valve.

May 02, 2008 | Dryers

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