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I have a Kenmore gas dryer model 76812693. Drum turns but does heat up. I read it could be 3 problems, thermal fuse blown, high limit thermostat or ignitor. How do I check?

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Http://www.applianceaid.com/gas_dryer.html#noheat

Posted on Mar 13, 2011

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1 Answer

My whirlpool dryer LER4634PQ0Runs but doesnt heat up?


It could be a number of things, but i would start with these first:
THERMAL FUSE.
The thermal fuse is designed to prevent the dryer from overheating. 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.

There are also a couple of 'thermostats' that could be the problem:
The 'high limit thermostat' is a safety device mounted on the heating chamber and is designed to prevent the dryer from overheating when the exhaust vent is restricted. A restricted vent will cause the high limit thermostat to trip or activate, interrupting the circuit to the heating element or gas valve. The high limit thermostat is not designed to activate repeatedly like a cycling thermostat and will eventually fail causing a no heat symptom. Disconnect the power to the dryer and check the thermostat for continuity with a multi-meter. If there is no continuity then it will need to be replaced and the restricted vent system corrected as well.
OR:
Cycling thermostats control the temperature inside the dryer drum. They are designed to "cycle" the heating element on and off to maintain the correct amount of heat. Cycling thermostats are normally located on the blower housing or elsewhere in the internal airflow ducting. Over time, the cycling thermostat can become defective. Disconnect the power to the dryer and check the thermostat for continuity with a multi-meter.
I hope this helps you fix the problem.

Dec 02, 2013 | Whirlpool LER4634PQ Electric Dryer

1 Answer

Kenmore electric dryer not heating up


Check for 240v at the terminal. Did you check the components with the wires disconnected?

Nov 10, 2012 | Dryers

1 Answer

I have a kenmore gas dryer, the drum turns but no heat, I replaced the radiant sensor and the control thermostat but still no heat?


here is a partial list of componets that could cause the dryer to not heat
Ignitor
control t-stat
high limit t-stat
gas valve coils
thermal cutoff
thermal fuse
flame sensor
electronic control/or timer depending on your exact model
cycling t-stat
motor

Jul 23, 2011 | Dryers

1 Answer

No a kenmore 80 series dryer will not heat . if the heating elment is good & fuse is good what else could be the problem


The heating circuit is basically composed of the heating element, thermal cut-off, high-limit thermostat, cycling thermostat, and the motor centrifugal switch. The problem is very likely in the thermal cut-off and the high-limit thermostat located on the blower housing. The thermal cut-off blows when the high-limit thermostat fails and cuts power to the heating element. Both the thermal cut-off and the high-limit thermostat need to be replaced if the former is blown open. Click on the link below for the detailed instructions in troubleshooting this kind of problem.

Troubleshooting Whirlpool and Whirlpool-Made Electric Dryers Running But Not Heating

Mar 09, 2011 | Kenmore Elite HE3 Steam 8676 Dryer

1 Answer

I have an older Kenmore gas dryer model # 97260100 it heats up for 15 minutes then goes cold, drum continues to run can u give me any insight as to what needs to be replaced


The problem is either of the cycling thermostat, high-limit thermostat or the gas valve solenoid coils sitting on top of the gas valve assembly. Disconnect power then verify any of these condition by bypassing the thermostats. Refer to the image below and locate the thermostats.
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Note: This is an image of an electric dryer but the thermostat and the thermal cut-off (cut-out) locations are the same.

Disconnect each of the thermostat wires then connect and insulate them properly. Once done, reconnect power and start the dryer. The gas valve solenoid coils are indeed faulty and both need to be replaced if the problem still persists. Click here for the procedure in replacing the solenoid coils.

Gas Valve Solenoid Coils Replacement Procedure

Either or both of the cycling thermostat and the high-limit thermostat are malfunctioning if the dryer continues to heat up with the thermostats bypassed. Disconnect power then reconnect the cycling thermostat wires but keeping the high-limit thermostat bypassed. Reconnect power then start the dryer. The high-limit thermostat is the culprit if the dryer continues to heat up. If not, then the cycling thermostat is the culprit.

Also do the other way; that is reconnecting the high-limit thermostat wires but keeping the cycling thermostat bypassed. The cycling thermostat is the culprit if the dryer continues to heat up. If not, then the high-limit thermostat is the culprit.

Replace the faulty thermostat and it should solve the problem.

Nov 08, 2010 | Kenmore 72872 Gas Dryer

3 Answers

My 80 series electric kenmore dyer runs but no heat


MY dryer has no heat
** UNPLUG a dryer before attempting ANY repairs. Lethal!
A dryer heater is controlled by the timer, a thermostat and a high-heat safety switch. The thermostat and safety switch are mounted on the housing around the heater.
Most likely - If the heater is blown, a visual inspection inside the heater housing will see a loose heater wire.
Next likely - Thermostat problems occur. I replace the thermostat and high-heat safety if either are suspect. Cheap, easy fix.9df7975.jpg
Least likely - Controller failure. This can be expensive ($80 - $400) so consider if you want to spend the money. A controller is actually fairly easy to change. Buy a new knob as you are likely to break it without experience and special tools.

Apr 17, 2010 | Kenmore 62602 Electric Dryer

1 Answer

My kenmore gas dryer model #74602 will heat up for a couple of minutes then blow cool air. Could the thermal fuse be blown because the vent duct work(foil) kept falling off & didn't realize for quite...


The thermal fuse is easy to test using a multimeter. Check for continuity. If it has none, it is defective. The thermal fuse is located just inside the rear of the dryer and should be mounted to the exhaust duct. If the thermal fuse is okay, then the next thing I would look at that could cause what you describe would be the high limit thermostat. Hope this helped and best wishes.

Aug 03, 2009 | Kenmore 74602 Gas 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

1 Answer

Replace thermal cut out units


This may be a little overkill, but I thought I would try to be thorough.

If your dryer has the lint screen on top of the unit, you will need to remove the back panel to get to the heating circuits. The heating circuits will be on the right-hand side as you are facing the back of the unit. The Hi-limit thermostat will be the closest to the heating element terminal, while the TCO will be located on the on the opposite end near the top of the heater box housing.

If your dryer has the lint screen in the door, you will need to remove the lower kick panel under the door by pushing in on the release tabs with a putty knife. They are located along the front seam about two inches in from each side. If you own a Kenmore Elite or Whirlpool Duet model, the lower panel is removed by loosening the screws under the bottom edge of the lower panel.
The heating circuits will be on the right-hand side under the drum as facing from the front. The high limit thermostat will be located closest to the heating element terminals, while the TCO is located furthest to the back of the dryer on the heater box housing.

The operating thermostat and thermal fuse (if equipped) are usually located on the blower fan housing.

CAUTION: It is recommended that you unplug the dryer BEFORE servicing the inside or cleaning. There are still dangerous voltages present even with the machine turned off.

Symptom:
Dryer Runs, But Does Not Heat:

Suspected Components:


1. Heating Element (located inside the heater box) - Resistance reading should be 9-13 ohms.
2. Thermal Cut-Out (located on the heater box) - Resistance reading of 0 ohms.
3. Hi limit Thermostat (located on the heater box closest to the heating element leads) – Resistance reading of 0 ohms.
4. Operating Thermostat (located on the air baffle) - (May have 4 wires attached to it). Will read 0 ohms across one set of leads, approx. 7 ohms across the other.

5. Bad Heater Relay (usually located in the console) – this is not equipped on all model dryers. However, on dryers that DO have them, this acts as a switch and turns the heater circuits on at the push of the START switch.

NOTE: It is HIGHLY recommended to replace the High-Limit Thermostat and TCO at the same time of one or the other is found to be defective.


Dryer Does Not Run At All:


Suspected Components:
1. Thermal Fuse (located on the air baffle) - Resistance reading of 0 ohms. NOTE: If the thermal fuse is blown, the drum light will not come on.
2. Broken Drum Belt - If dryer is equipped with a broken belt relay, this will shut the dryer down.
3. Broken Door Switch - If the door switch is broken, this will shut down the entire dryer as no power is applied to the start switch with the door switch open.
4. Bad Start Switch - If the start switch does not toggle close or stay closed when released, the dryer will not start.
5. Bad Timer - If the timer does not function the dryer will not start.
6. Bad Drive Motor - No Motor, drum does not rotate, heating circuits may or may not function. DOUBLE CHECK the CONNECTOR PLUG on the Drive Motor. I have found situations where this plug came loose for whatever reason and caused the dryer to either shut off completely or work intermittently.
7. Bad A/C Receptacle and/or Connector Plug - If you aren't getting the proper voltage to the dryer, it will not run.


These recommendations for TROUBLESHOOTING are not all inclusive as different manufacturer models vary in components and configuration. I hope you find this information helpful. Please post back if you have any further questions.

May 19, 2008 | Kenmore 62602 Electric Dryer

1 Answer

Kenmore Electric Dryer


If this is a Kenmore, have you checked the thermal cut-out or high-limit thermstat? Does the drum turn when you start the dryer?

If the drum turns, but does not heat, you will need to check the thermal cut-out (located on the heating element housing). The TCO should read a SHORT (0 ohms) or very low resistance. If it is OPEN, replace it along with the high-limit thermostat. In most cases the two components are sold as a set and are recommended to replaced as a set by the manufacturer.

Reason: The TCO is designed to protect the heating element and thermostat in the event of an overtemp condition. If the TCO is bad, there's a likely chance that the thermostat could be damaged.

If the TCO reads good, you may have a thermostat that is failing. The high limit thermostat operates normally in the CLOSED (shorted) position and will OPEN at or around 157 degrees F. It is located on the heating element housing adjacent to the TCO. If the thermostat has failed the dryer will tumble, but will not heat. Follow the same recommendation as for replacement of the TCO. Replace both components as a set.

Now...if the dryer drum does not spin, the likely cause is the thermal FUSE. It will be mounted on the blower housing near the blower fan. It is usually white (plastic) in color on Kenmore models. It should read a SHORT. If it fails the dryer will not spin or heat.

Post back with your comments or questions. I hope I'm leading you in the right direction.

Jan 15, 2008 | LG WD-14124RD Front Load Washer / Dryer

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