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LG Dryer/Model dle7177wm/no heat

no heat

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6 replies to this topic

#1 vunger1

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Posted 10 February 2014 - 08:52 PM

I went out and looked at this dryer and replaced the thermostat as it was not heating , two weeks go by and now no heat again. Is there something i should be looking for that would cause this thermostat to blow ?


Edited by vunger1, 10 February 2014 - 08:53 PM.


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#2 electro_doc

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Posted 10 February 2014 - 09:07 PM

which thermostat?



#3 vunger1

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Posted 10 February 2014 - 09:13 PM

which thermostat?

i replaced this one Part number: AP4440975

Part number: AP4440975

 

 should  i have replaced this one at the same time?  Part number: AP4440977

Part number: AP4440977


Edited by Samurai Appliance Repair Man, 11 February 2014 - 08:51 AM.
Corrected part links.


#4 electro_doc

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Posted 10 February 2014 - 09:31 PM

check for a venting problem, maybe clogged lint trap (dryer sheets can cause this condition).  Bad cycling thermostat can also cause this.  Maybe change it also if the vent is ok.  It can ohm out ok and still be intermittently bad.


Edited by electro_doc, 10 February 2014 - 09:32 PM.


#5 vunger1

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Posted 10 February 2014 - 09:42 PM

yeah im thinking cycling thermostat as well, everything was very clean and i ohmed all other electrical parts.



#6 electro_doc

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Posted 10 February 2014 - 10:13 PM

for sure it would be good to eliminate it as a possibility.  I fought one for six months.  When I was there it worked fine.  One month or so later I get the call.  Thermal fuse.  After changing 3 of them and checking everything, even putting the vent tube in a bucket to make sure it wasn't restricting.  The vent went into the wall so I suspected it for a while.  Anyway as a last resort I changed the cycling thermostat and low a and behold, wah la, that was it.  If it was me that's what I'd do.  Good hunting!

 

Doc



#7 john63

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Posted 10 February 2014 - 10:31 PM

Always replace the HIGH LIMIT THERMOSTAT whenever a Thermal Limiter has failed (per LG Service Bulletin)

 

Part number: AP4440977

Part number: AP4440977

 

As mentioned by the other sharp tech:) ...

 

*Verify* (don't assume) that the venting (in the home) is indeed clear.

 

Check the Lint Filter (waxy lint accumulation)

 

Though unlikely---check the Filter Housing plastic "screen" for accumulation/blocked (airflow to filter blocked)

 

During winter months---check the outside vent hood (not covered/buried under a snow drift)

 

Verify that the Door Seal is still attached to the door (not missing).


To eliminate:

Musty odor

L-O-N-G cycle times

Dingy/yellowing whites

Suds error message

Slow spin speeds

Intermittent water leaks (from rear of washer)

And other annoying symptoms which vary brand-to brand.

Read below:

The *correct* amount of HE (High Efficiency) detergent that should be used in any front load or agitatorless top load washer with tub sizes 3.0 cu ft and larger is as follows:

HE: (2) Tablespoons Per Wash Load

HE 2X: (1) Tablespoon

HE 3X: (1) Teaspoon

Perform a TUB CLEAN CYCLE every (4) months.

Use: "Tide Washing Machine Cleaner"





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