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LG built Kenmore frosting in freezer, not defrost issue.


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17 replies to this topic

#1 completeapplianceservice

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Posted 04 June 2013 - 03:07 PM

This bottom freezer unit #79578092901 is building up heavy frost in the freezer outside of the access panel. It is defrosting properly, it acts like it has a bad seal and is letting warm air inside the freezer but there are no air gaps any where, and the door shuts properly.

 

After checking for gaps, I thought the unit was staying on for too long, also the customer stated he thought some items felt really hard like it was staying well under 0, so I replaced the control board and freezer thermistor. Customer called back about 5 days later and said it still is frosting up.

 

I can't really think of anything else that could cause this.

 

Any ideas?



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#2 KurtiusInterupptus

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Posted 04 June 2013 - 03:17 PM

Got he exact same issue on a LG Built GE ...heavy frost around perimeter of door in spots on liner and on rails...replaced door and seal (even though first seemed to be sealing great)...same issue. Absolutely no help from GEtechline (no big surprise there)

what say you, LG master John63?
As every cockroach knows , thriving on poisons is the secret of success.

#3 Samurai Appliance Repair Man

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Posted 04 June 2013 - 04:00 PM

I'm no Master john63 but I did stay at a Holiday Inn Express last night.

This has to be sucking in humid air from the condensate drain line for you to be seeing this moisture pattern you're seeing. Does the condensate drain have the duckbill check valve installed?

#4 KurtiusInterupptus

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Posted 04 June 2013 - 04:20 PM

Not sure about mine...this unit is still less than I yr old (7-12) and problem just started a few weeks ago so, that may be possible.
As every cockroach knows , thriving on poisons is the secret of success.

#5 completeapplianceservice

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Posted 04 June 2013 - 05:08 PM

Samurai, wouldn't the fan draw air through the coil first, there by incapacitating the warm air.

Is there a part number for said check valve?

My unit takes this drain hose, does it look like it has a check valve in it?

Drain-Hose-5251JA3003B--01048861.jpg



#6 Samurai Appliance Repair Man

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Posted 04 June 2013 - 07:39 PM

It would and it doesn't.  

 

Okay, my other lucky guess:  

if this unit has an ice maker, try shutting it off for a few days and see of the problem goes away.  The evap fan may be blowing the water to the ice maker all over the place.  If this is the problem, it'll go away when the ice maker it shut down.  



#7 DurhamAppliance

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Posted 04 June 2013 - 07:39 PM

This service bulletin covers your model... it may be of assistance http://appliantology...er-compartment/

new grillefan has increased insulation.

Durham Appliance Thrift & Repair, LLC

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#8 Samurai Appliance Repair Man

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Posted 04 June 2013 - 07:45 PM

Ding, ding, ding!  Sounds like Brother Durham has a winner!  

 

http://www.repaircli...er=795.78092900

 

Evaporator-Fan-Motor-4811JJ2002K-0147950



#9 jumptrout

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Posted 04 June 2013 - 07:51 PM

Ding, ding, ding!  Sounds like Brother Durham has a winner!  

 

http://www.repaircli...er=795.78092900

 

Evaporator-Fan-Motor-4811JJ2002K-0147950

He cheated. I don't know how,but,he cheated.



#10 Samurai Appliance Repair Man

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Posted 04 June 2013 - 07:52 PM

Gentlemen never kiss and tell.   :freakykiss:



#11 Thirstytech

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Posted 04 June 2013 - 08:02 PM

This service bulletin covers your model... it may be of assistance http://appliantology...er-compartment/

new grillefan has increased insulation.

 

This place rules!  From throwing out a call for help to slam dunk solution in 4.5 hours!!!!!



#12 Budget Appliance Repair

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Posted 05 June 2013 - 06:26 AM

Sure looks like the defrost drain tube comes with a check valve, (black rubber cap on end), to me!!

 

Maybe not a duckbill check like you're thinking of, but a cap with small slit to let water out but somewhat block warm air going back up tube.

 

Samurai, wouldn't the fan draw air through the coil first, there by incapacitating the warm air.

Is there a part number for said check valve?

My unit takes this drain hose, does it look like it has a check valve in it?

Drain-Hose-5251JA3003B--01048861.jpg


William Burk (Willie)
Willie's Budget Appliance Repair
Eureka, CA 95501

#13 completeapplianceservice

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Posted 05 June 2013 - 07:54 AM

I just had another customer call today with what sounds like the same issue. LG must have a big problem on their hands. Fortunately for them most are out of warranty. Tried to save a few cents on foam and this is what happens.

#14 PDuff

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Posted 05 June 2013 - 10:59 AM

When LG and Samsung first hit the American market I was running warranty calls constantly for frost in the bottom freezers.  Most frost issues were related to air flow issues and the primary fix from both manufacturers tech lines was to replace the main pcb.  Took care of the frost problem for about half of those units.  Guess we can add evaporator fan motors to that list.



#15 DurhamAppliance

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Posted 06 June 2013 - 03:19 AM

He cheated. I don't know how,but,he cheated.


I was looking over Reg's shoulder and copying his answers. Well Mr. Tattletale, you didn't seem to care much about how I got hold of information you needed, now did ya? lol

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www.DurhamApplianceThrift.com


#16 completeapplianceservice

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Posted 07 June 2013 - 12:08 PM

Just a heads up, the part they are referring to is the freezer access panel. They call it a fan grille.



#17 DurhamAppliance

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Posted 07 June 2013 - 01:52 PM

Just a heads up, the part they are referring to is the freezer access panel. They call it a fan grille.

 

...the bullentin calls it a "grillefan"....After reading it, I had no idea what there were talking about, so I  regurgitate their description and left it to you masters to figure it out...lol. ...good job Sohei!


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#18 PDuff

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Posted 07 June 2013 - 03:15 PM

LG grille fan assemblies (evaporator covers) are becoming a fast moving part around here.  Assemblies are available with just evap fan or both ice room and evap fan motors.  LG themselves are shotgunning these units to replace both grille fan assy's and main pcb's.








Recent blog entries on this topic

Photo

LG refrigerator frosting up inside the freezer, but it's not a defrosting problem

By Samurai Appliance Repair Man in Samurai Appliance Repair Man's Blog, on 06 June 2013 - 06:19 AM

This has been a long-time vexing problem in some LG refrigerator models.  You'll also see this on Kenmore and GE refrigerators that were built by LG.  The unit defrosts properly but builds up rime ice inside the freezer looking like there's an air leak, like from a bad door seal.  But the door seals are good and no source of air leak can be found.    Brot...

Read Full Entry →

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