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With the door closed and the timer turned to dry the heater turns on but the motor does not run

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  • Dryers Master
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In order for the heater to come on the centrifugal switch must be engaged in the run position. The only way it can do that is if the motor is running normally or the switch is stuck(malfunctioning) in the run position.with the door closed and - ff5d928.jpg The only way to know for sure is to do an inspection by opening up the dryer and doing a look see. This page in my blog offers a repair manual and a few videos to help you get into the dryer: Kenmore/whirlpool dryer repair pics

Posted on May 01, 2010

  • Dan Webster
    Dan Webster May 08, 2010

    Hows the repair going?

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Posted on Jan 02, 2017

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I have a kenmore dryer model #796.81172210 it continues to run until you open the door and will start up if you close it.is it the door sensor


The door switch is working correctly. The drum should turn off and the heater is switched off when the door has been opened and they restart when the door is closed. If you are saying the timer has run down so there is no time remaining and the drum is still turning then the timer is failing to switch off these items.

Jan 04, 2015 | Kenmore Dryers

1 Answer

Dryer runs heats barely runs forever b4 clothes are dry


ELECTRIC Dryer no heat or little heat, or shuts down to fast:

Check your venting and lint basket. Check blower for lint build up and blower wheel obstruction., test by trying to turn the wheel manually by hand (should be easy) May have to remove cabinet or front/back plate to get to it)

Next check the heating element itself with a meter for continuity OHMS CLOSED CIRCUIT. If not its defective or has a short if its grounding out? Which in turns causes blown fuses or thermostats or
overheating.

The heating elements are located inside the heater ducts. If you think a heating element is faulty, test it with avolt-ohm-multimeter (VOM)set to the RX1 scale. Disconnect the leads from the power terminals and clip one probe of the VOM to each terminal. The meter should read about 12 ohms. If the reading is higher ohms, the heater is faulty and should be replaced. Replace a faulty heater with a new one of the same type and electrical rating. A heater connected to a 115-volt line usually has an 8.4-ohm resistance; a heater connected to a 220-volt line usually has 11 ohms resistance.


Check dryer Terminal block prongs both outside prongs should give combined 220, and 110 each if u check 1 outside & 1 center (ground) prong. Also check house electrical outlet for full voltage. 220 because if u only get half or 110 volts you will be able to run the machine which uses only 110 to run motor but not the heater which uses a full 220,

OR you may have a broken centrifugal switch in the motor because this switch activates the motor and the heater as well. supposed to be if the motor does not run , the heater should not heat in order not to create fire but you said that even the motor is not running, the heater is still heating, then there could be a problem with the motor centrifugal switch that is connected to this interlock switch that should trigger the heater.

Check the thermal cut off, the cycling and the hi limit thermostats.
For continuity or OHMS. If no ohms or resistance they need replacement.

In some dryer's the control panel relies on a thermistor rather than a CYCLING thermostat to regulate the drum's air temperature by monitoring the component's resistance changes; resistance goes down as temperature increases and up when temperature decreases. Once the drum's air temperature reaches a certain level required to dry clothes, the control panel shuts off the heater. The panel will turn the heater on again and begin another heating cycle when the thermistor indicates that more heat is needed to keep the air temperature constant inside the drum

Lastly check your moister sensor. ( located inside the dryer door usually) Especially if machine seems to shut down early and clothes are still wet.
Test with a meter at room temperature and it should show continuity.
A failed moisture sensor will affect the dryer run time in the automatic moisture sensing cycle but it will not affect the heating of the dryer or the timed cycle. Which are reflected by the thermostats.

Read more :http://www.ehow.com/info_12203962_check-dryer-thermistor.htmlGOD IS So GOOD !!!! AND THAT'S WHY MY ADVICE IS FREE













Dryer will not shut off:

The timer: Located in the control console of the dryer the timer consists of a small motor connected to a series of gears that rotate cams, which turn electric contacts off and on inside the timer. The timer contacts control the dryer motor as well as the heat circuit and the timer motor itself. A defective timer motor or a defect in the timer's electrical contacts can cause the timer motor to fail and the timer will need to be replaced. The contacts can be checked for continuity with a multi-meter. This test should only be made when the dryer is unplugged. Another test u can do is observe by eyesight and see does the timer advance or is it stuck on one cycle?


1. On gas and electric dryers that have an "Auto Dry" cycle, the cycling thermostat is often used to advance the timer as well regulate the drum temperature. Essentially, thermostat will alternately turn on the heat source or the timer motor when the temperature has been satisfied. To check this thermostat, you will have to check for power to the timer motor with a multi-meter, during a cycle. This is a live voltage test and caution should be used.

2. Some dryers will use a cool down thermostat to tumble the clothes without heat, at the end of the dry cycle. Power is routed through this thermostat to the drive motor to keep it running until the drum temperature has dropped to a specific temperature. If this thermostat fails it can cause the drum to turn indefinitely or until the door is opened. You can check the thermostat for continuity with a multi-meter. This test should only be made with the power removed from the dryer.

Aug 16, 2014 | Dryers

3 Answers

How do I check to see if the heater coil is plugged


The fan is usually the problem - does the fan run? If the fan is good, remove the fan and use a mirror and flashlight to inspect the coil. It would be unlikely that the coil is completely plugged but it can happen.

Dec 27, 2012 | 2002 Lexus IS 300

1 Answer

The timer didn't lose ant time off of it and the dryer didn't get warm at all? What is the problem do you think?


Dryer will not run
1. No power--check fuse & power supply
2. Loose wiring--check terminals & wiring
3. Door switch--make certain door closed properly to actuate switch
4. Defective motor---check motor.
5. Defective timer---replace timer

Runs but will not heat
1.loose wiring--check terminals & wiring
2. Defective thermostat--replace thermostat
3.defective centrifugal switch in motor--replace switch (check linkage to motor)
4. Defective timer--replace timer
5. Open heater element---replace heater element
6. Heat switch set to off----set switch for desired heat

Sep 21, 2011 | Kenmore Dryers

1 Answer

Dryer will not dry clothes.


I assume it runs and this is from that stance. If it doesn't the motor has to be checked and the power coming in. In fact the dryer can run and still not have the correct power to opperate the heater.

Assuming you have a volt meter and know how to use it properly.

These are the steps that the power and machine have to take to operate properly

A. If the dryer has all of these things it has to be heating and an air flow problem (kinked or dirty dryer duck, motor fan clogged with lint, vent flapper not opening...) is suspect.

B. ELECTRICAL
1. power is correct (USA 220V across line and 115v to ground/neut) 2 hot lines with potential between them and a neutral and possible a ground
2 Door switch is closed
3 Timer switch closes and ready s power to heating element through centrifugal switch in the motor circuit after the motor is running.
4 the heating element is assumed to be good and have 220v at this point. Checking for voltage at the element will assure all before are ok and at least allowing the heater to work.
5 the heating element is controlled by 1 or more thermostats and a safety thermostat. If either of these switches do not close when the dryer is "cool" they are bad. NOTE some dryers could ahve 3 wire thermostats. These can read closed on one set and open on the other. And this is how they should be if good. But tracing the wire diagram will tell which set is closed and when.
6 if you have power, the timer contacts to the motor and the heater (separate circuits usually)are "closed", the motor runs, the cent switch "closes", the temperature operating thermostats are closed, and the heating element is good you have to have heat.

1 Check for 220V power into the dryer. If not check breakers and turn off and on several time pushing them firmly. If this is ok and 220V present step 1 is done.



2 This assumes the motor will run

Nov 01, 2010 | Whirlpool LER4634J Electric Dryer

1 Answer

With the door closed and the timer turned on the heater turns on but the motor does not run


You either have a short in the heat element or the centrifugal switch on the motor is bad. The most common thing is a short in the element. If you can send me the model number from inside the door area I can help you determine which it is. You would need a basic mechanical ability.

May 01, 2010 | Whirlpool Dryers

1 Answer

Timer motor does not turn


make sure you purchased nthe correct timer and not a 220 volt timer for water heater use , you could still turn on and off manually but you would need 220 volt to run timer may sound silly but i have seen it several times before , look on the door plate and be sure it is a 120 volt 1 phase tmr motor

Jan 04, 2010 | Intermatic WH40 - Water Heater Time Switch...

1 Answer

Dryer wont start. starter switch is new and timer will run when the door is closed


HI. if the timer is running, and the wiring harness is in good condition, this will confirm motor failure. I would advise to test the operational value of the door switch as well but if the door switch is working, this will only lead to motor failure.

May 22, 2009 | Kenmore 73952 Gas Dryer

1 Answer

Dryer continues to run.


barnardfl
look for a cool down thermostat on the fan body. this thermostat opens on cool, and is in the motor circuit, not the heater circuit as the other thermostats are. After the timer switches off the heater and motor, this thermostat keeps the motor running until the temperature drops below ~45C, drawing unheated air through the dryer. when they fail they weld closed and do not switch off

aaaa3786
If knob does not move, there is likely a stripped nylon gear in the stepper motor for the timer
timer motors cost $~14 if available in your area, and attach to the timer body by two screws
rebuilt timers can be purchased at many parts stores, labelled as almost anybrand as many are interchangeable $~40
new timers are around $~60

Oct 09, 2008 | Whirlpool LER4634J Electric Dryer

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