Question about Kenmore 700 6972 Dryer

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Dryer turns off within 10mins of starting. Thinking might be a thermal cut off but which one not sure maybe one that feeds motor?

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Try cleaning the air passages, exit hose, and exit vent of lint collections. Wash the lint filter in hot water and detergent to remove fabric softener deposits that block air flow. Hope this helps!

Posted on Oct 10, 2010

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Trouble shoot moter on dryer


It may be the drive belt from the motor to the drum. If the dryer top flips up, you can see if the belt is intact, or is there a bottom panel that is removable? In any case the belt needs to be inspected. With that said, the 'strange odor' may very well be the motor. The motor / belt needs to be visually inspected. If anything is opened for inspection, be mindful of live wires and contacts.

Mar 25, 2014 | Kenmore Dryers

1 Answer

Electric motor keeps cutting out


There may be a thermal protector placed internally within the motor or motor-compressor to protect the motor and motor winding's components from dangerous overheating that can cause motor failure.
This overheating generally occurs when the motor is overloaded, a bearing seizes up, something locked the motor shaft from turning, or the motor simply fails to start properly. A failure to start may be caused by faulty start winding's in a motor.
The thermal protector consists of one or more heat-sensing elements integral with the motor or motor-compressor and an external control device. The thermal protection is in place to turn the motor off when excessive heat is generated within the motor circuitry and keep it from burning up the motor.
These thermal protectors are reset when the motor cools to a safe operating temperature. There is usually a visible red button located on the wiring side of the motor, opposite of the motor shaft, but not always. In some cases, these buttons are reset manually.

Mar 10, 2014 | Garden

1 Answer

Dryer won't start


This usually caused by a blown thermal fuse on the blower housing located behind the rear access panel. This thermal fuse is wired in series with the motor and if it blows, power to the motor is terminated and the motor cannot run. No dryer function works when the motor cannot run.

Unplug the dryer or disconnect power then remove the rear access panel. Locate the thermal fuse then bypass it for troubleshooting purposes.

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Bypass the thermal fuse by disconnecting the wires and joining it together. Insulate properly and plug the dryer back in. The thermal fuse is indeed blown and needs to be replaced if the dryer starts. Do not use the dryer with the thermal fuse bypassed due to fire hazards.

Clean the lint filter and make sure the vent system is not restricted then replace the thermal fuse including the cycling thermostat (thermistor for other models) as a standard operating procedure and preventive measure. The thermal fuse usually cuts out due to a failed cycling thermostat(thermistor for other models).

Jul 19, 2011 | Roper REX3614KW Electric Dryer

1 Answer

Our Whirlpool dryer model #LER7646AQ0 will not start. Door switch checks for power with a power tester. Put new start switch in and still doesn't work. Do I need to use Ohm tester or will power tester...


This problem is commonly caused by a blown thermal fuse located on the blower housing. The thermal fuse is wired in series with the motor and the motor activates a centrifugal switch for the heating element when it runs. These setup makes the dryer fail to start and the heating element not to turn on if the thermal fuse is blown. The dryer seems to no work at all. Verify the condition of the thermal fuse by bypassing it and starting the dryer.

Disconnect power then access and bypass the thermal fuse on the blower housing. The blower housing is located on the rear left bottom of the dryer cabinet. Remove the rear panel to access the blower housing and so the thermal fuse.

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Bypass the thermal fuse by disconnecting the wires and connecting them together. Insulate them properly and plug the dryer back in. The thermal fuse is indeed blown and needs to be replaced along with the cycling thermostat if the dryer starts. Do not use the dryer with the thermal fuse bypassed due to fire hazards.


The thermal fuse and cycling thermostat are part numbers 3392519 and 3387134, respectively.

Jan 11, 2011 | Dryers

1 Answer

I HAVE A CREDA SIMPLICITY T620CW WHICH CUTS OUT AFTER A SHORT WHILE AND WILL NOT RESTART FOR A WHILE. IS THERE A THERMAL CUT OUT ON THIS MODEL OR IS IT THE START SWITCH THATS AT FAULT? WHILE IT IS ON IT...


Hi,

Yes, this model has a thermal cut out and you are correct in thinking that this is the reason why the dryer cuts out and will not re-start for a while.

However, although it's possible that the thermal cut out is faulty, the more likely and common cause is a failed thermostat. If the thermostat fails in the closed (on) position, it means that there is constant power to the heating element. This will cause the dryer to overheat and the thermal cut out will trip to prevent damage to the dryer. A correctly functioning thermostat opens and closes to switch power to the heating element on and off to keep the dryer at a roughly constant temperature.

Hope this helps.

Regards,
BElectric

Nov 18, 2010 | Dryers

2 Answers

My dryer starts the first time with no problem, but after about an hour it starts to make a kind of buzzing sound. If I don't shut it off at this point it shuts itself off after another minute or two....


You are absolutely correct that the motor is the problem and needs to be replaced. The motor is overheating and its thermal overload protector trips off causing the dryer to shut down. Thermal overload protector resets and allows the motor to run again only when it has cooled down. It is the reason why the dryer is not turning on immediately after it shuts off. Replacing the motor will definitely solve the problem.

Aug 11, 2010 | Maytag Dryers

1 Answer

My kenmore dryer is blowing only cold air. What is wroge? We already checked the heating element and timer...???? This dryer is only 4 years old.


The heating circuit is composed not only by the heating element and the timer but also with a high-limit thermostat, a thermal cut-off, and a cycling thermostat. The high-limit thermostat and the thermal cut-off are both mounted on the heater housing to monitor and regulate the heater temperature while the cycling thermostat is mounted on the blower housing to monitor and regulate the temperature of the exhaust air.

All of these components are wired in series and a failure in any of them results in the dryer not heating. The proper troubleshooting is by checking the continuity of each of these components with a volt-ohmmeter and replacing the ones found without continuity (open).

A continuity check can also be done by bypassing each of the three components, never the heating element, and then starting the dryer. The dryer should heat, otherwise the problem is somewhere in the timer, the heating element, or the centrifugal switch within the motor. When the dryer heats up, unplug it then un-bypass one of the bypassed components and start the dryer. If the dryer stops heating then you have found the failed component; replace it. If the dryer does not stop heating, do the same to the remaining components until you find the failed one. Just make sure the dryer is unplugged before touching the components.

Replace both the high-limit thermostat and the thermal cut-off if any of them has failed. Indicate the exact model number of the dryer if you need further or more specific advice.

Jun 12, 2010 | Kenmore 63942 Dryer

1 Answer

YKEHSO2RWHO starts o.k. but stop within a few minutes


that dryer has a moisture sensor probably is not sensing moisture

Jun 23, 2009 | KitchenAid KEHS02RMT Electric Dryer

1 Answer

Kenmore Dryer Model 110


Using a multi-meter, check to be sure that you have 220 volts at the back of the dryer. If you do, unplug the dryer, take the back off and ohm out the t-stats, thermal cut-outs and element.If you can't pinpoint it to one of these then it will be in the controls or maybe the motor start switch.

ps, The dryer motor will run on 110 volts.

Dec 12, 2007 | Dryers

1 Answer

Won't start. The start light flashes. Timer appears to be functioning.


You could have a couple of things going on that may cause your symptoms. First of all, unplug the dryer. If you can access the inside of the dryer check to see if the dryer belt is broken. On some dryer models if the dryer belt breaks a "broken belt relay" on the idler pulley near the motor will trip causing the motor to shut down. This is to prevent a broken belt from becoming wrapped around the motor shaft. Another possibility is a blown thermal fuse or thermal cut-out. Some dryer models have a thermal fuse mounted on the exhaust vent housing and is white in color. This should read a short. There should be a thermal cut-out mounted on the heating element housing as well. There will be a hi-limit thermostat mounted near it. The thermostat will have a resistance reading (can't remember exactly what it is), and the thermal cut-out should read a short. If the thermal c/o is bad, replace the hi-limit thermostat as well. Now if you have a thermal fuse or thermal cut-out problem, they generally blow for a reason. Check your dryer ducting for proper air flow and make sure its not clogged full of lint. Normally, a thermal problem is associated with your dryer overheating. Good luck and let me know if this helps.

Jun 21, 2007 | Maytag Neptune MDE5500AY Electric Dryer

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