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dryer not heating correctly


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5 replies to this topic

#1 tommyg

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Posted 25 March 2014 - 11:55 AM

good day ,

I have a Kenmore dryer 66702692 . it is not heating like it should . takes forever to dry clothes .. I just picked this up used 2 days ago . the vent is free and clear . ok here is the deal , it blows warm air sometimes not hot air ..if I open the door and hold the switch I can see the element turn on for about 20 seconds then off . and it keeps doing this , when the door is shut and clothes in side, not many I might add it hardly gets warm . I have a strong flow outside ( at the discharge ) Luke warm damp air .

if I put my hand on the back of the dryer in the location of the element . it is a little warm but not much ( you can hold your hand on there and never worry about getting burned .. so my guess is the element .. but if it does warm up a bit and then shut off  could it be something else ..

 

many thanks for your help



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#2 fairbank56

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Posted 25 March 2014 - 12:22 PM

  Take the heater coil out and inspect it. May have a break in it that opens/closes intermittently. Resistance across terminals should be 7.8-11.8 ohms and open (infinity) from terminals to metal case. Other possibility is a faulty operating thermostat or hi limit thermostat.

 

Eric

 

Part number: AP3094254

Part number: AP3094254

Part number: AP3131939

Part number: AP3131939

Part number: AP3131941

Part number: AP3131941


Edited by fairbank56, 25 March 2014 - 12:46 PM.


#3 tommyg

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Posted 25 March 2014 - 12:32 PM

I will try that this afternoon , thank you very much for taking the time to help me out ,



#4 fairbank56

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Posted 25 March 2014 - 12:52 PM

  You can use your multimeter to determine if heating element is being cycled on/off by one of the thermostats by placing meter probes across red/white wire of operating thermostat (on blower housing) and hi limit thermostat terminal that connects directly to heater element terminal. When heater is on, voltage should be zero. when heat cuts off, if one of the thermostats has opened, you will get 240vac. Then check across each thermostat to determine which one is cycling.

 

Eric



#5 electro_doc

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Posted 25 March 2014 - 06:57 PM

you could just check for 220 at the heater while it is running.  If it gets 220  but goes off and on, then its a bad heater.

 

Doc



#6 tommyg

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Posted 31 March 2014 - 06:00 AM

heater fixed the problem , many thanks to everyone's help in this matter...






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