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Frigidaire start relay

Frigidaire start relay

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Thread: Frigidaire start relay

  1. #1
    Join Date
    May 2013
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    1,465

    Default Frigidaire start relay

    Model - FRT21LRGW6

    When the compressor comes on, the relay assembly starts smoking really bad and the compressor kicks off. The compressor does not make any strange noises and it does not seem to get hot, but it does not run a minute before it kicks off.

    Think a hard start will solve the problem?

    People said it ran fine until the water line was disconnected to the ice maker. It was then moved to another house. I do not know how long it sat or whatever.

    I told them I was not sure if the ice maker being turned off would cause this like they thought. I thought the ice maker would just cycle with or without water.

    I think this fridge is about 15 years old.

  2. #2
    Join Date
    Feb 2012
    Location
    Canada
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    Default

    When the compressor comes on, the relay assembly starts smoking really bad and the compressor kicks off.
    Have you pulled off the start relay?....some would burn the pins on the compressor and smoke up.

    Think a hard start will solve the problem?
    Shouldn't use a hard start kit ( 3-1 style ) on any compressor that uses a PTC style relay.

    People said it ran fine until the water line was disconnected to the ice maker.
    Unless something was dripping water onto the compressor, that shouldn't effect anything.

    I thought the ice maker would just cycle with or without water.
    It would. Should lift the arm up and lock it into the off position when the water is not hooked up.

    I think this fridge is about 15 years old.
    Parts breakdown says 2000

    Frigidaire start relay-relay-overload-kit-218721101-00562125-jpg Relay and Overload Kit

    jeff.
    http://www.applianceaid.com/
    Appliance Repair Aid

  3. #3
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    Default

    Have you pulled off the start relay?
    Not yet. Just plugged it in a couple of times late yesterday and noticed the smoking at the compressor relay wires.

    What causes them to burn the pins sometimes? Being jarred loose or just the compressor getting hard to start? Six of one, half a dozen of the other?

  4. #4
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    What causes them to burn the pins sometimes?
    Loose connection, compressor drawing too much current are common trouble makers.

    jeff.
    http://www.applianceaid.com/
    Appliance Repair Aid

  5. #5
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    Default

    Took the relay off and pried it apart. The bottom looked like it had started to melt. When I got it partially apart, I could see it looked like something had gotten between the contacts causing a short. Cleaned it out between the contacts with a screwdriver for the heck of it and reinstalled. Seems to be doing okay, but I don't know how hot the compressor is supposed to get. It is just a pan on top to collect water from the freezer, so I guess the compressor gets pretty hot.
    When I manipulate the controls, it does cycle off and on.

    No idea what could have gotten between the contacts. Have no way of checking amp draw, but there is no blinking of the lights or any odd noises from the compressor.

    I did not check the resistance of the capacitor. It seems to start normal enough.

  6. #6
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    Canada
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    Default

    I'd be inclined to replace the relay/over load to be safe.

    Have no way of checking amp draw
    You don't have an amp meter?...tisk tisk

    I did not check the resistance of the capacitor. It seems to start normal enough.
    It is a run capacitor....won't have anything to do with starting.

    jeff.
    http://www.applianceaid.com/
    Appliance Repair Aid

  7. #7
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    Yeah I definitely will suggest another relay. I may have an amp meter around here somewhere.

    I ohmed the compressor and got like 4,7 and 10. Close enough, right? So electrically, I think the compressor is good.
    Can't figure what happened to the relay. Maybe just old, got jarred during the move?

    I really need to know the amperage draw. I hate to suggest a new relay and there be a problem somewhere else.

  8. #8
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    You don't have an amp meter?...tisk tisk
    Yeah, I know. This is going to be a fun and important tool to use with compressors.


    Found my AC V-A Meter I bought a while back and never used.

    Not sure how to read the amperage as it has 2 lines marked A for amperage. The first line is marked 0 to 6. The bottom of that line goes from 0 to 15. Then the second line goes from 0 to 300. The hot leg of the relay at the compressor reads 1 or a little less on the first line which is in line with 50 on the bottom of the second line. I'm thinking this is a little less than 1 amp which is good, right?
    Last edited by Boman; 04-02-2015 at 06:50 PM.

  9. #9
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    I ohmed the compressor and got like 4,7 and 10. Close enough, right?
    Yes.

    The hot leg of the relay at the compressor reads 1 or a little less on the first line which is in line with 50 on the bottom of the second line. I'm thinking this is a little less than 1 amp which is good, right?
    What is the LRA on the compressor tag?

    jeff.
    http://www.applianceaid.com/
    Appliance Repair Aid

  10. #10
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    Default

    LRA tag??

    I'll check tomorrow.

    Thanks

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