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Thread: Instructions for installing thermistor

  1. #1
    Join Date
    Aug 2012
    Location
    Montana
    Posts
    3

    Default Instructions for installing thermistor

    Model Number: LFX-25971SB
    Brand: LG
    Age: 1-5 years

    I needed to replace the relay start and overload protector on my LG refrigerator. When ordering the replacement part I was told that I needed part # EBG31940225 which is the thermistor assembly. I got the new part but it looks nothing like the part that I took off the fridge (relay start, capacitor and the overload protector). The new part has the PTC assembly and the overload protector connected to 3 wires (black, blue, pink)on one end and the other end plugs into the fridge. There is also a green wire (ground wire) which is not connected to anything. The old part only has the black and blue wires and the same end piece that plugs into the fridge. The end piece of the new part (that plugs into fridge, I think it's called a butt connector?)has 2 male parts and one female part. The female part which is the pink wire does not have a male end to connect to or make contact with inside the refrigerator. I tried the new part but there was no change (the air that blows in is not cold). The original issue is that the fridge just stopped getting cold, everything else is working properly though.
    Can anyone assist me with this? I have been assured that I got the correct part for my model.
    Or does anyone know where I can get instructions on installing this part?

    Plug on old part (only 2 of the holes have the male ends in them) Click image for larger version. 

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    New part (thermistor assembly)Click image for larger version. 

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    Old part that I removed from fridge (relay start, capacitor and overload protector)
    Click image for larger version. 

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    Plug on the end of the new part (top left side of part is the one attached to the pink wire and does not have the male end to plug into inside the fridge)
    Click image for larger version. 

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  2. #2
    Join Date
    Jul 2006
    Location
    Murray, Utah, United States
    Posts
    17,086

    Default

    That model uses two different style compressors. You might have got the one for the other style. I don't work on enough LG's to give you a definite answer but, wildimaginations is an excellent authorized LG tech and I'm sure he knows and can assist you. I'll send him a private message and see if he can help you. Stand by.
    OWNER RICK'S APPLIANCE REPAIR
    APPLIANCE TECHNICIAN FOR 29 YEARS
    REFRIGERATION SPECIALIST
    ONLINE SERV TECH: ApplianceBlog.com
    CERTIFIED TYPE 1; TYPE 2.....REFRIGERATION SERVICE E.S.

  3. #3
    Join Date
    Aug 2012
    Location
    Montana
    Posts
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    Default

    Thank you!!!!!!!

  4. #4
    Join Date
    Jun 2011
    Location
    Danville, California
    Posts
    424

    Default

    I think you got the wrong part. The old connector has a simple 2 wire connection with a start cap on it. You will have to show the parts people what your old part so they can reorder. Sometimes LG will ship out the wrong part and it can be frustrating.

    Another thing you can do is take the old relay to the local appliance parts store and have them test the start cap to make sure it's ok. If it's not, they should be able to match it up with something in the Whirlpool parts bin.

    Also try this, shake the old relay switch and listen for anything loose like loose pebbles. If you do hear anything like that, you have a bad PTC and most appliance parts stores can match it up.

    Hope this helps.
    Appliance Repair Tech
    LG Authorized Servicer
    Danville, California

  5. #5
    Join Date
    Jul 2006
    Location
    Murray, Utah, United States
    Posts
    17,086

    Default

    Thank you wildimaginations!!
    OWNER RICK'S APPLIANCE REPAIR
    APPLIANCE TECHNICIAN FOR 29 YEARS
    REFRIGERATION SPECIALIST
    ONLINE SERV TECH: ApplianceBlog.com
    CERTIFIED TYPE 1; TYPE 2.....REFRIGERATION SERVICE E.S.

  6. #6
    Join Date
    Aug 2012
    Location
    Montana
    Posts
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    Default

    Thank you wildimaginations and rickgburton!

    I have checked the overload protector and it did rattle so I purchased a replacement as well as the other parts that I was told to buy. All of the parts that I ordered are incorrect. I live in the middle of nowhere and there is not an appliance parts store anywhere close so I have to order the parts online. Would you happen to know which part numbers I actually need? I want to replace the start relay (or PTC) and a new overload protector. When I look up these parts for my model (LG LFX25971SB) they all give me the same part numbers that I ordered and they are incorrect. I ordered the following parts and none of them work with my fridge: EBG31940225, 6748C-0004D, 3550JA2042C and 6750C-0004R I know there are duplicate parts there, but that is what they told me to order.

    I am pretty sure that part # 2319792 is the correct part I need even though it says its for Whirlpool. (it looks identical and has the same connections, etc) I am not sure what the correct part number to the overload protector for that relay start device is. 6750C-0004R is not right - the prongs are in the wrong spot. Do Whirlpool parts work on LG models?

    Thank you SO MUCH for your help. I have been trying for days to get good information on this issue!

  7. #7
    Join Date
    Jun 2011
    Location
    Danville, California
    Posts
    424

    Default

    The correct part number you need is EBG44308701. Unfortunately, that part is no longer available and there is no substitute for that part number.

    Have patience. I will check with my local parts supplier and see if I can get you an alternative part number. Everything is closed till Tuesday.
    Appliance Repair Tech
    LG Authorized Servicer
    Danville, California

  8. #8
    Join Date
    Jun 2011
    Location
    Danville, California
    Posts
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    Default

    Checked with my parts supplier and this is the closest we can come to the original part. You may have to replace the electrical connectors but this should work.

    Start Device 67005560 Order now for same day shipping. 365 day return policy. RepairClinic.com
    Appliance Repair Tech
    LG Authorized Servicer
    Danville, California

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