Question about Kenmore 74602 Gas Dryer

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My dryer will not ignite I changed the thermal fuse and it lite at start up. after a while no heat. As I looked thru the window it would get yellow red inside wanting to lite but it never did. I watched for awhile and did the same thing. Can you help.

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Your element is probably bad.

Posted on Aug 21, 2010

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Posted on Jan 02, 2017

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Gas dryer checked ignitor, thermal fuse and flame all had continuity still ignitor will not glow or heat


Will try to help you checked the igniter you say good if good does it glow if so clamp on one wire and take an amp draw while heating I like to see a minimum of 3 amps if glowing and 3 and above change the coils on the gas valve very cheap, now if not glowing and good ignitor the fun begins power comes out of the heat relay on the control board passes thru the thermal fuse then thermal cut off then hi limit then the flame sensor while also feeding the gas coils the neutral is supplied thru the centrifugal switch on the tumbler motor if the dryer stays running the centrifugal switch is good and you have a neutral bad flame sensor very rare since I am not there check the thermal cut off once blown it does not reset has to be replaced if all the fused I mentioned check good then check the heat relay on the board black and red wire stick meter ends in both off should read 120 volt when machine turned on should hear it click and meter should read 0 volts the boards seldom go bad but I have replaced a few in 5 years I am leaning more towards an open thermal cutoff

Feb 20, 2015 | Whirlpool Dryers

Tip

Whirlpool or Kenmore Dryer Does Not Heat


Electric

First , check the circuit breaker to make sure they are on . Be sure to UNPLUG the dryer , while checking with an ohm meter . When checking WITH power , BEST to have another person available in case of emergency . I do know of 1 person killed while working on his dryer .
A dryer operating on 240 volts , sends 120 volts to the timer and 120 volts to the motor . In between these two , are the thermal cut-off , and the element ( this is the basic operation parts ) . The 120 volts from the motor , goes directly to the element if selected for heat . The timer circuit , sends the other 120 volts , thru the operating thermostats , then thermal fuse , then thermal cut-off , then high-limit thermostat , then to the element . Usually , not ALL the time , the thermal fuse ( number 1 ) is the problem . The heating element ( number 2 ) is usually the problem , if the thermal fuse is good .
If the thermostats , element , and thermal fuse check good with an ohm meter , remove 1 wire from the element and check with a meter , which side is NOT getting 120 volts . Trace the wire which will either go to the timer ( occasionally ) or to the motor ( extremely rare ) .

Gas

On a gas dryer , for no heat , or , heats for a short time then runs but no heat afterwords until cooled down , first check that the electronic igniter , glows red . If it does NOT glow red , then check power to the burner ( 2 wires ) . If no power , then the thermal fuse is bad . (On electric dryers , the thermal fuse keeps the dryer from starting . On gas dryers , it keeps the dryer from heating . The thermal fuse , is a 1" long , or oval , white piece , with 2 wires going to it ) . Also if it does not glow red , the igniter itself could be bad . Again , check with an ohm meter . If the igniter glows red and clicks off , but no gas , the sensor could be bad . This sensor , is mounted to the side of the burner box , and when the igniter gets hot enough to ignite the gas , the sensor opens , sending power to the coils , which open dispensing the gas to heat the dryer . To check the sensor , with the drum removed , start the dryer , and after the igniter gets red , pull one of the wires OFF the sensor , and the gas should ignite . Do this very carefully , as electricity WILL be in the wire pulled off . If the dryer heats for a short time then stops heating , the problem will be the burner coils . These coils will get warm from the electricity going thru them , and will " open " ( short ) internally , until they cool down . Then heat again for a short time , then open , until cooled .
Most of the time , either the thermal fuse ( 1 ) or the coils are bad ( 2 ) or the igniter is bad ( 3 ) .

........A thermal fuse is a white 1" long torpedo looking piece , or , a white oval shaped piece , with 2 wires going to it .

NOTE1 : The thermal fuse keeps an electric dryer from starting and keeps a gas dryer from heating .

NOTE2 : If your dryer heats but the clothes do not dry , then a venting problem is obvious , as a dryer either heats or doesn't heat . Pull the dryer out and disconnect the vent from the dryer . Dry a load of clothes and if/when they dry in the normal amount of time , this tells you either the vent hose is kinked , maybe pushed back too far , or , the outside vent is blocked , or , the vent in the wall is restricted to the outside .

Electric Dryers

NOTE3 : If your lint screen is on top of the dryer , the element , thermal fuse , and thermostats are behind the rear dryer panel ....If the lint screen is behind the dryer door , then the element , thermal fuse ( located behind the lint screen housing ( 2 screws ) , and thermostats , are located behind the lower front panel .

on Apr 17, 2010 | Dryers

2 Answers

My dryer runs and sounds fine but has no heat. there is no pilot. What do i need to replace?


Here is a video to walk you thru the diagnosing and repair for your dryer.



Jan 01, 2011 | Dryers

1 Answer

Whirlpool LGN2000LW0 Dryer will not heat replaced Igniter and still will not heat, Igniter will not glow.


The problem is more likely a thermal fuse or thermal cut out. Here is a video that walks you thru testing these http://appliancehelponline.com/gdryertroublevideo.html
http://appliancehelponline.com/gdryertroubleshootge.html
You can also enter your model # for diagrams and illustrations of your specific model.

Jun 07, 2010 | Whirlpool Dryers

1 Answer

Dryer is not heating


It could be several other things thermal fuse, thermal cut out, hi limit thermostat, dryer coils, heat sensor,or igniter. All of these parts are inexpensive and easy to test and replace.There is a video at www.appliancehelponline.com/servicemanual.html this will walk you thru the troubleshooting of these components. It may be a different model but the troubleshooting will be the same.You can also enter your model # for diagrams and illustrations. All parts come with installation instructions. Not all models are available. If you need help disassembling your machine there are videos of this also for most styles.

Apr 19, 2010 | Kenmore 73952 Gas Dryer

1 Answer

Gas dryer ignites at start up then cycles off, won't re-ignite


Below are some links, courtesy of www.repairclinic.com, that will assist you in diagnosing/repair of your dryer. You may have to enter your model number in the search box to access some of the information.

Below is a parts breakdown/disassembly procedures for your dryer.
http://www.repairclinic.com/Dryer-Gas-Maytag-Style-Appliance-Diagram


The link below shows an image of the gas valve coils, which is the most common failure component in the system.

1. Gas Valve Coils:
http://www.repairclinic.com/SSPartDetail.aspx?s=t-MDG3000AWW-%3d%3di3479&PartID=3479

Below are some tips to follow if the coils are not faulty.

If your dryer doesn't heat, check these:

Igniter
Gas valve coils
Thermal fuse
Igniter 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.)

You can also obtain more appliance information at my website, www.homemanagement.services.officelive.com

Aug 28, 2009 | Maytag Dryers

1 Answer

Turn on but no heat


A bad thermal fuse will keep the gas valves from opening , therefor , no heat at any time . There will be no orange glow with a bad ignitor (used to lite the burner ) . Bad coils , the ignitor will glow and when the sensor clicks to cut off the ignitor , the coils should open to let the gas thru . Your dryer has a little peep hole you can remove to see the operation of the gas valve . Also , check the thermal fuse again ( or put the 2 wires togather to check) , disconnect the vent hose from the dryer and dry a load to see if dryes correctly .( Make sure you have good air flow at the dryer )The reason for this is because a dirty or clogged vent , not cleaning the lint screen vent hose kinked , or vent clogged from dryer to outside , will cause the thermal fuse to open .

Jul 29, 2009 | Kenmore 74602 Gas Dryer

1 Answer

No Heat


CHANGE THE GAS DRYER SENSOR FOR IGNITER AND FLAME. GO TO www.repairclinic.com ENTER MODEL NUMBER AND LOOK FOR PART 2681 FIRST CHECK YOUR THERMAL FUSE ON BLOWER HOUSING PART 483890. THE ABRUTNESS LEADS ME TO BELIEVE THERMAL IS BLOWN.

May 01, 2009 | Dryers

1 Answer

Gas Dryer quit heating today


Just click below;

If your dryer doesn't heat, check these:

Igniter
Gas valve coils
Thermal fuse

Hope it may help you;

Regards;
VOTIT

Jan 28, 2009 | Whirlpool LGR8648 Gas Dryer

4 Answers

Kenmore gas dryer


Hit it with a big BIG HAMMER!!! NO NO, I'm just kidding! It can be several things, airflow, coils, or thermal fuse. Most common problem is the fuse so thats what I'll cover... UNPLUG DRYER, take back panel off (use 1/4 nut driver) look for the thin white thing with two of the same color wires going to it.(located lower left).... take wires off, then take the fuse off and look at the back of it. is it slightly melted and black? Replace and wala!!!!! GOODLUCK!!!

Dec 15, 2007 | Whirlpool LER5636P Electric Dryer

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