Question about Kenmore 74652 Gas Dryer

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Dryer heat won't stay on

I replaced the thermal fuse and both thermostats in my kenmore dryer - dryer came on initially, ignitor worked and I saw a flame. After a few minutes, flame cut off and would not come back on. What else could I be looking to fix before calling out a tech?

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  • Master
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Turn dryer on.
Go out to where dryer duct exits house.
Feel amount and strength of air blast coming from vent.
Air blast should be strong and cover the full face of the vent.

If not, check that dryer hose is not crushed/collapsed behind dryer as it is pushed back into position.
Clear any restrictions in the vent pipe.
Clean lint screen.
Check that there is no restriction where air is pumped into the dryer drum on the inside.

Posted on Jan 29, 2009

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  • Kenmore Master
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The coils atop the valvebody itself can be an issue, easy enough to change probably about $25 part number 279834

Posted on Jan 29, 2009

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2 Answers

I have a Kenmore 97284810. I t was working fine until we had a power outage. Now is runs and spins but it will not heat up. The glow bar was not glowing so I replaced it. The glow bar is still not glowing....


Might be the flame sensor. if it is open the ignitor won't light off. Check this part
for continuity. Number 59. If it is open now power can get to the gas assembly. Clean out the duct work and filter housing if that puppy is blown.
themobilian_2861.jpg
When the drum temp is below 105f the control Klixon throws the power onto the gas valve assembly. The flame sensor,ignitor, and solenoids are all powered up at the same time but the solenoids won't kick in until the ignitor drops out. The flame sensor bi-metal bends with the heat from the ignitor and open the circuit to it. The solenoids then have the power to ****** open the gas valve and raw gas flows out onto the hot ignitor and lights off. The burn last only till the drum temp reaches 160f which takes not time. When that temp gets to 160 the control opens and power is removed from the gas valve assembly. This goes on throughout the drying process. So what goes wrong? Open sensor, bad ignitor, faulty solenoids that quit after working a tiny bit. Blown or tripped thermal limit. bad control tstat. And me fave: unpaid gas bill.

themobilian_2863.jpg

Aug 20, 2011 | Dryers

1 Answer

There is no heat when drying clothes. Dryer tumbles, but no heat. Open bottom panel, no glow from ignitor. Replaced ignitor. Still no glow.


Hi,
It could be a high limit, thermostat, or thermal fuse...
if you dryer is gas check out this gas no heat tip.... If you have an electric dryer, you can have many differentthings that can go wrong causing the dryer not to heat. check out this electric no heat tip...

heatman101

Oct 15, 2010 | Kenmore Dryers

1 Answer

My Kenmore Gas Dryer does not heat. It looks like


You can use an ohm meter to check t-stats and thermal fuse.

Apr 04, 2010 | Kenmore 74902 Gas Dryer

1 Answer

I have a kenmore 70 series gas dryer. It won't


Check the thermal fuse and thermostats first, then the ignitor and the valve coils are the next possibilities.
Eric

Jan 24, 2010 | Kenmore 63942 Dryer

1 Answer

Dryer will not heat up when running. Was told to check the thermo fuse, ignitor and/or coil. Is that right? How do I check those things.


hello there
Please follow this procedure I have provided below and it will tell you how to test each one ok
Hope this is very helpful


Investigate these five areas if your dryer is not heating up:

Proper Voltage

If your dryer won't heat up, it's possible that it is not being supplied with the proper voltage. Here are three ways to make sure power is getting to your dryer: First, make sure your dryer is plugged in. Next, check the circuit breaker panel to make sure all the circuit breakers are in the correct positions. Finally, check to make sure no fuses in your fuse panel are blown. Any of these could explain why power is not getting to your dryer.

dryer_heating-element.jpg Heating Element

It is possible that your dryer isn't heating because its heating element is defective. Heating elements are irrepairable. If yours has ceased to function properly, you will have to replace it. Open your dryer's cabinet and locate the heating element so that you can test it.
dryer_thermal-fuse.jpg Thermal Fuse

Another possible cause for a dryer not heating up could be attributed to a faulty thermal fuse. Once a dryer's thermal fuse has blown, it is no longer of any use. If your dryer's fuse is blown, you will have to replace it. Open up your dryer's cabinet and locate its thermal fuse so that you can test it.
dryer_thermostat.jpg Thermostat

If any of your dryer's thermostats have become defective, they could be the reason that your dryer is not heating. Open up your dryer's cabinet and test each of your dryer's thermostats. If any are faulty, replace them.
dryer_timer.jpg Timer motor

A defective timer motor could also cause your dryer to not heat up. Test your dryer's timer motor. If it is no longer functioning as it should, replace either the entire motor assembly, or just its motor.























Jan 24, 2010 | Kenmore Dryers

2 Answers

I have a kenmore 80 series gas dryer. it's not staying hot. sometimes it will and sometimes it doesnt. i replaced the ignitor on it and its still not working what do you think?


This is probably the gas valve not working right. I would replace it. The ignitor is working and turning on the valve but it doesn't stay on.

Sep 03, 2009 | Dryers

1 Answer

Kenmore Clothes Dryer Model 67902790 has no heat


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.(Thermal cut-off)

Aug 24, 2009 | Kenmore 62882 Electric Dryer

2 Answers

Kenmore gas dryer model #76812690 will not heat.


does the dryer heat initially when you first turn on the dryer Or no heat at all?

the first thing i would check is tthe thermal fuse thats located on the back of the unit. test it with a multimeter and see if it has continuity, if it doesnt then replace that and your operating thermostat. the check to be sure you venting to the outside of your house is not clogged

Apr 29, 2009 | Kenmore Dryers

1 Answer

No Heat


Hello
Welcome to Fixya


Remove the vent line from the rear and try the dryer.
If it heats then that means there is a clog or kink in the vent line blocking the vent air from exiting which will stop the dryer from getting hot!
If not then it's another one of these problems.

Defective Ignitor (Gas Only)
When heated the ignitor used on your gas dryer must obtain a specific high temperature
in order to activate the flame sensor. This ignitor is fragile and susceptible to cracking.
A hairline fracture that is barely visible to the naked eye is enough to change
the resistance of the ignitor to a point that is will not work properly.
You can test the resistance of your ignitor. You should get a reading of 50-400 ohms of
resistance.

If the ignitor gets hot and then goes off after about 10-15 seconds and there is
no ignition, the problem is probably not the ignitor. It is most likely the gas valve
coils that are defective.

If the ignitor comes on and stays on, it is the flame sensor that is defective.

If the ignitor is not getting hot it could also be one of the thermostats that is defective.
The power for the ignitor is passed from the timer, through all of the thermostats,
limit switches and fuses to the ignitor. So if you are not getting power to the ignitor
during ignition, you should check the continuity of the individual thermostats and fuses.
DRYER DOES NOT HEAT



Defective Gas Valve Coil (Gas Dryer Only)

If the gas dryer will light once but will not relight until it cools down, it is likely the gas valve coils are faulty. These coils loose some strength when subjected to heat. When they become old, the addition of heat may be enough to prevent them from opening the gas valve when hot. However the coils still work when when cool.

An easy way to diagnose the coils when the burner is not lighting, watch the ignitor. If the the ignitor glows for 10 to 15 seconds but no flame is created, then the coils are faulty. If the ignitor is not glowing the problem is elsewhere.

Recent Customer Symptoms:
The dryer burner doesn't always come on when starting. If the burner does come on, once it goes off if won't come on again until the dryer cools down.



Defective Flame Sensor (Gas Dryer Only)
The flame sensor's job is to monitor the ignitor for sufficient heat
to ignite the gas. A properly operating flame sensor will pass a
continuity check under room temperature.

Common Symptoms
If the flame sensor is defective in the open position,
the ignitor will not get hot when the dryer is started.
However, if it is defective in the closed position the ignitor
will get hot, but the flame sensor will not allow the flame to ignite.
In this case, the ignitor will usually stay hot for a long period of
time.



Defective Thermostat
The thermostats are responsible for maintaining the proper temperature
in the dryer. Check the exhaust temperature of the dyer and if the
temperature is above 150 degrees, you will most likely need to change
the operating thermostat.

The thermostat can also fail in the opposite mode.
It can prevent the element from heating at all.
A failed continuity check at room temperature will verify this condition.

There are some special thermostats that are single pole double throw.
These thermostats are often used to control the timer when set to the
Automatic Dry cycle. If the dryer timer will advance in the Timed Dry
cycle but not the Automatic Dry cycle, then the thermostat could be the
problem.


Defective Thermal Fuse
The thermal fuse is in series with one leg of power to the motor.
If the fuse is open (no continuity) the motor will not run.

Location:
The thermal fuse is located in different locations according
to the model and brand of dryer.

Solution:
Check the thermal fuse for continuity with a volt/ohm meter.
If it is open, it will need to be replaced






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Jan 25, 2009 | Kenmore 73952 Gas Dryer

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