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Warm freezer, cold fridge for GE ) side by side


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10 replies to this topic

#1 Lurker_fixitman's wife_*

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Posted 11 November 2005 - 07:51 AM

Our GE side by side fridge (1994 vintage, model TFH24PRSM BB) is running warm in the freezer (20-25 deg F) but the fridge appears to be fine.  We did have ice buildup on the backwall but we defrosted it in an attempt to resolve the problem.  We've also vacuumed off all coils and removed dust and gunk from underneath and behind the unit.  24 hrs later and the freezer is still warm. 

We think it might be a bad thermostat? 

Is this a repair that fairly handy husband can do or would you recommend calling service? 


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#2 Pegi

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Posted 11 November 2005 - 08:06 AM

Well, the food compartment gets its cold air from the freezer so this cold food side will not last, did you remove the back panel inside of the freezer to see if the evaperator is clogged with ice? I suspect a defrost or sealed system problem.  Remove the rear panel inside the freezer  and tell us what the frost pattern looks like.....If the fans and the compressor are running would not suspect a thermostat at this time.  Also check the return air duct in the food side to make sure the air can return to the freezer, should be near the bottom of the food side.
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#3 Fixum

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Posted 11 November 2005 - 09:30 AM

as pegi stated, i also will figure that you have a defrosting problem since you had to remove the ice from the rear panel, remove the panel and look for the defrost heater it will be mounted in frount of the evaperator coil it will have one wire coming to it on each side from the top of the evaperator, normally a pink and blue wire, inspect the heater if it has turned black it is bad, if it is clear inside the tube  then you could have a defrost bimetal or defrost timer bad,

ps also could be one end of the wire going to the heater has burnt off, if so best thing is to replace the terminal and change the heater too

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#4 Lurker_fixitman\'s wife_*

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Posted 11 November 2005 - 12:35 PM

We took off the back panel of the freezer- I would agree that we have a defrost problem- not a thermostat problem.  (Glad I asked...:yikes:)

We have about 1/2 inch or more of frost covering the wires, sensors, coils and the heaters- the entire back area is full.

There appear to be 2 heaters- one was covered in frost- and the tube inside is clear.  The lower heater was less frosty- but appears to be brownish in color.   It isn't black.  All wires appear to be intact and connected. 

You had a list of items that might be bad- does this situation suggest a specific part that is bad or would we need to go through part by part? 

 


#5 Pegi

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Posted 11 November 2005 - 12:58 PM

Before you defrost it you need to turn the defrost timer to defrost to see if the heaters come on, if so the heaters and bi-metal are good, would replace the timer, if they do not then would check the heaters and bi-metal with your ohm meter to see which has failed, but I would replace the heaters and bi-metal both....
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#6 Pegi

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Posted 11 November 2005 - 01:01 PM

Defrost timer ref # 257 in this breakdown in the control area of the food compartment..turn the knob to the right till it clicks and the box goes dead except for the light.
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#7 Pegi

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Posted 11 November 2005 - 01:05 PM

The defrost heaters will come as a kit with the harness and bi-metal sealed from water, there are known issues with failure from these heaters...part number for the assy. is  WR51X443
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#8 Lurker_fixitman's wife_*

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Posted 11 November 2005 - 01:05 PM

Begging for help for the repair newbie-

What does timer look like?  And how does one start it? 

I'm not sure what you all mean by a "bimetal"?  What is this and what does it look like? 

Is this on a tech sheet that I can download somewhere- manual doesn't cover any of this. 

Tons of thanks in advance!


#9 Pegi

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Posted 11 November 2005 - 01:30 PM

I posted a link showing you the defrost timer and how to turn this to check the heater and bi-metal, just another name for the defrost termination thermostat , these you have already located.  Be sure to turn the defrost timer while the bi-metal is cold/frozen, it will not show good if it is warm and will cut power to the defrost heaters, or just check the heaters and bi-metal with your ohm meter, again be sure the bi-metal is frozen.  After you decide what has failed you can defrost all of the ice with your blow dryer and re-assemble the freezer, it will cool ok for 2-3 days till you get the replacement parts. Be sure to defrost it again when you have completed the repairs also.
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#10 Lurker_fixitman's wife_*

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Posted 11 November 2005 - 02:32 PM

Well, we see no reponse when turning the defrost control all the way- nothing happens.  Looks like that's it.

It appears that the heater comes as a kit with both heater parts and thermostat and wiring comes as a single unit for about $60.  More importantly, it looks like it shouldn't be really hard to install. 

Are we right? 

 

 

 


#11 Pegi

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Posted 11 November 2005 - 05:43 PM

That is correct, you will replace all parts, should be instructions in the box....
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