Beer cooler Blowing fuse

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  • February 18, 2021 at 3:38 pm #99163
    amebb
    Participant

    hi there
    i have a question about a beer cooler that i have.
    The beer cooler is for my home bar and is the type that is used in pubs etc. You have a compressor that cools a water tank and beer flows through pipes (coil) and exits being cooled.

    When i switch on my beer cooler it blows the fuse straight away. I have checked the electrical connections and they are fine – not broken or damaged.

    The compressor model is GL60TB (Electrolux)

    I checked the resistance on the 3 pins on the side of the compressor and i got the following readings:-

    – .. .. (A)
    . . .. / .
    . .. . ./. …
    ………/……..
    ……(B)……. (C)

    Resistance = A-B =- 30.9 ohms
    A-C – 11.4 ohms


    does anyone have any ideas on what i can check next ? Any help much appreciated.

    Thank you

    February 18, 2021 at 5:01 pm #475239
    Tony R
    Participant

    An electrical component is obviously failed or down to earth, there are not too many parts on these systems. compressor, fan, circulation motor and thermostat, I would disconnect individual parts from the supply and keep on till the fuse stops blowing.

    February 18, 2021 at 5:35 pm #475240
    amebb
    Participant

    Tony R wrote:An electrical component is obviously failed or down to earth, there are not too many parts on these systems. compressor, fan, circulation motor and thermostat, I would disconnect individual parts from the supply and keep on till the fuse stops blowing.


    Thank you Tony for your reply.

    you are correct there are only a few parts that can go wrong (Compressor, relay, capacitor & cooling fan).

    what is the best way to test a compressor ?

    thanks

    February 18, 2021 at 6:11 pm #475241
    Tony R
    Participant

    Check there is no circuit from the compressor pins to earth, but as stated, remove power wires to each component one at a time and by a process of elimination you will find what part is faulty.

    February 19, 2021 at 1:10 pm #475242
    amebb
    Participant

    how can i find out what the resistance should be on the compressor pins?

    here is a link to the data sheet for the compressor – https://srw.co.uk/acatalog//pdf/GL60TB.pdf

    thank you

    February 19, 2021 at 1:26 pm #475243
    Tony R
    Participant

    Resistance between the common, start and run windings should not be of concern, generally if you have a circuit between pins it indicates the windings are intact. the fuse is blowing due to an earth short or compressor drawing to many amps on start up.
    So we are back to my original suggestion.

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