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Kenmore dryer 70 series flame ignites, but goes out after 5 mins

My Kenmore dryer 70 series flame ignites, but goes out after 5 mins. The dryer still runs but without heat. . The thermal fuse has been changed so I am unsure what is wrong now.

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  • Jeff Rockwell
    Jeff Rockwell May 11, 2010

    Can you please verify if this is a GAS dryer or an ELECTRIC dryer? You mention a flame, but the model number you listed this under is for an electric dryer. Please include your model number as well, so I can verify how your dryer is configured. This information will be helpful in determining a correct solution for you.

  • Anonymous Mar 27, 2014

    it lights up but will not run.. replaced thermal fuse and thermistor

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  • 107 Answers

If it's gas, the coil valves get weak and are unable to hold themselves open when hot. First, check the exhaust vent. If it's clogged, it can't remove heat and it will shut off prematurely. Most likely the coil valves though.

Posted on Mar 13, 2009

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I have a Kenmore Series 70 Dryer and I changed the thermal fuse got hot for a few minutes the model #110.74722400


The cycling thermostat must also be replaced when replacing the thermal fuse. The cycling thermostat's failure to cycle off the heating element results in overheating of the dryer which consequently blows the thermal fuse open.

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Replacing only the thermal fuse should the dryer stops running and fails to start will result in its premature blowing or even the thermal cut-out (cut-off) located on the heater duct. Like the cycling thermostat, the high-limit thermostat must also be replaced once the thermal cut-out blows open. Refer to the parts diagram in the link below and look for item numbers 31(thermal cut-off), 34(hi-limit thermostat), 39(thermal fuse), and 41(cycling thermostat.

Kenmore Series 70 Electric Dryer (110.74722400) Bulkhead Parts

Aug 21, 2011 | Dryers

1 Answer

Kenmore 70 series gas dryer (Whirlpool model) will not ignite!!!!


>> Do you know where the flame sensor is located? I figure the ignitor is where the "glowing" occurs and the gas line feeds to. Thanks for your help!<<

The flame sensor is right next to the ignitor. Also see this link for what it looks like:

http://www.apwagner.com/index.php?main_page=index&cPath=7_96

Mar 18, 2010 | Kenmore 73952 Gas Dryer

2 Answers

Kenmore 70 Series Dryer not heating and not cutting off


I had an identical problem to yours this weekend with my Kenmore dryer. There were 2 problems.

1. Timer was broken. Does not advance to "OFF" position on timed dry, however it still works for auto-dry.

2. Thermal fuse was blown. Upon replacing, dryer heated up normally.

I believe when the timer broke, the dryer had kept running and blew the thermal fuse. On Sears' website, thermal fuse is $5.30, timer is roughly $80.

Kenmore 70 Series gas dryer, M# 110.76752500

Jan 01, 2010 | Dryers

1 Answer

Kenmore 400 series dryer will not heat?


LP dryer flame goes on for a few seconds and them goes off

Oct 27, 2009 | Kenmore 73952 Gas Dryer

1 Answer

Gas dryer heat is intermediate


does the igniter glow white or orange? if it is orange you need to replace it. has to be white hot to ignite. if the igniter is white it could be the coils not opening the gas valve all the time - an intermittent problem.

Oct 04, 2009 | Kenmore 73952 Gas Dryer

1 Answer

THE DRYER STOPPED PRODUCEING HEAT.


Check the following to address the non heating issue


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.

Jun 01, 2009 | Kenmore 73952 Gas Dryer

1 Answer

Kenmore 70 series dryer wont heat up and wont stop running


For a gas dryer, check the following


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.


For a electric dryer, check the following

1. No power to the dryer
Make sure there's power getting to the dryer. Check for tripped circuit breakers or blown fuses. An electric dryer uses two circuit breakers or fuses, and if only one of two is tripped or blown, the dryer might still run but not heat. Sometimes the power cord disconnects or burns at the dryer, if this is the case, the wiring and the terminal block must be repaired or replaced.

2. Heating element
A burned out heating element will show no continuity when measured with a meter. Replace the element if found defective.

3. 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.

Jun 01, 2009 | Kenmore 63942 Dryer

1 Answer

Kenmore 70 Series Dryer Model# 110.64742400


check the thermal fuse if it is blown also change the high limit thermal cut-off fuse www.repairclinic.com shows your parts. go there and enter model number. Also check the heat element. to get into it remove the lint filter and the two screws you'll see there then pry the top up at the front corners. And through the back you should find the heat element and blower housing and thermal fuse and high limit fuse and cycling thermostat.

Apr 06, 2009 | Kenmore 64742 Electric Dryer

3 Answers

My Kenmore dryer 70 series will ot heat up


the thermal switch is located on the back of your dryer. YOu will need to remove it....you will need a 1/4 screw driver...then look towards the boottom of the dryer...the thermal fuse...its a white looking piece with 2 terminals on it...it is really easy to replace it.but you can also check continuity. and if you do not have a tester.

1) unplugg the gas dryer
2) connect the 2 terminal together.
3) DO NOT hold it when you plugg it up..
4) plugg it up and check too see if your igniter comes on...and wait for the flame.

if you follow all these steps and your dryer still does not work. check your igniter.

Nov 25, 2008 | Kenmore 73952 Gas Dryer

4 Answers

Kenmore 70 Series


hello,

i have a kenmore series 70's gas dryer that will not heat up when it is turned on and i am now smelling gas when i do try to dry my clothing. it was working yesterday but now this is happening? please help.

thank you,

tina

Jan 05, 2008 | Kenmore 74602 Gas Dryer

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