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Thread: my chest freezer is making clicking noise

  1. #1
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    my chest freezer is making clicking noise

    hi
    i bought i new chest freazer
    its Turkish made
    Freon r134a
    comprssor embarco
    its working very well and freezing good
    drawn current is 1 ampere
    220 volt current
    its making clicking noise
    i checked both compressor and its cooling fan are fine
    the sound come from between the metering device and the condensor

    i heard the same sound from another refrigerator which been compressor replaced then charged with r134a
    is that sound could be normal
    Last edited by Chris_Worthington; 10-20-2013 at 02:08 PM. Reason: per op

  2. #2
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    Can you describe the sound

    - - - Updated - - -

    Is it a pop

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    Isit a tick

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    Is it a knock

    - - - Updated - - -

    Is it a ping

  3. #3
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    Or does it sound like hissing or crackeling?

    - - - Updated - - -

    Does it have a cap tube or txv?

  4. #4
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    It might just be the sound of refrigerant flow or harmonices

  5. #5
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    Do you hear any humming sound.

  6. #6
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    Thread Starter
    i will catch a video of the freezer when sound occur
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  7. #7
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    Thread Starter
    sorry for lately post
    here is sound clip of the clicking noise
    http://dc197.gulfup.com/Cl1k1.wav?gu...2d33352e776176

  8. #8
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    It's sounds like its in defost and melting the ice off the coil. Are you certain that the evaporator fan and compressor are running during this time? When a freezer goes into defrost, nothing should be running. At this time, heaters that run through or around your evaporator coil are activated to melt the Ice. The sound is the ice reacting and cracking caused by the heat from the heaters. Thats what it sounds like to me.

  9. #9
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    My chest freezer at home does it too. It sounds like softly bouncing a marble on a hard surface. I never figured it out, but its been making this sound since day 1 but its never had a problem in many years I've had it and its still going well.

  10. #10
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    Quote Originally Posted by ICanHas View Post
    My chest freezer at home does it too. It sounds like softly bouncing a marble on a hard surface. I never figured it out, but its been making this sound since day 1 but its never had a problem in many years I've had it and its still going well.
    It's not defrost when doing this?

  11. #11
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    Quote Originally Posted by ICanHas View Post
    My chest freezer at home does it too. It sounds like softly bouncing a marble on a hard surface. I never figured it out, but its been making this sound since day 1 but its never had a problem in many years I've had it and its still going well.

    Just a thought from a dumb fridgy...

    Could you be hearing expansion and/or contraction noises similar to those experienced by people with radiant heating systems as the fin tube expands and/or contracts and the fins "ping" over the support brackets?



  12. #12
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    Quote Originally Posted by Moonray View Post
    It's sounds like its in defost and melting the ice off the coil. Are you certain that the evaporator fan and compressor are running during this time? When a freezer goes into defrost, nothing should be running. At this time, heaters that run through or around your evaporator coil are activated to melt the Ice. The sound is the ice reacting and cracking caused by the heat from the heaters. Thats what it sounds like to me.
    Hot gas defrost does run the compressor, but the evaporator fan should stop.

  13. #13
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    when did you ever see a chest freezer with defrost just saying ?
    If a Ram is a Sheep, And an Ass is a Donkey, Why is a Ram in the Ass a Goose?

  14. #14
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    Cap tubes will sometimes make a poping noise. We had problems with that when I was working for Sears service. My Whirlpool ref does it to this day. I just ignore it. I can't remember what we did to correct it, I will ask some of the other techs, perhaps they will remember.
    Max

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    Something has to melt the ice. Whether it be heaters or hot gas. Defrost is nessesary no for freezers no?

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    I would assume. Assuming because I am standing in front of the unit. That the reason for the noise could be caused by the unit being in defrost as this is typically what I have experienced. Is this something that is constant? Or is it random? If it is constant, it could be what Jp suggested. If it is random, I would think it was in defrost. Just an observation. But what do I know, I'm just a dumb Fridgy myself. Hope these tips of things to look for or research are helpful to the OP.

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    Not in front of the unit. Sorry

  17. #17
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    Quote Originally Posted by jpsmith1cm View Post
    Just a thought from a dumb fridgy...

    Could you be hearing expansion and/or contraction noises similar to those experienced by people with radiant heating systems as the fin tube expands and/or contracts and the fins "ping" over the support brackets?
    It sounds more like the sound floating ball type check valve used on some water heater makes as you open a faucet. It doesn't have a defrost. I've got to empty it out every six months to a year depending on how often its opened. the temperature holds very steady and causes less freezer burn than anything else so its worth the hassle to me.

  18. #18
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    I have never seen a chest freezer with defrost. Your recording sounds like the ticking/popping sound you sometimes hear near the end of the capillary tube in some residential R134A units from the late 1990's. If you can get to the juncture of the capillary tube to the evaporator (or cold wall coil in standard chest freezers), then you might find the noise is coming from that area. You can sometimes make it stop by insulating the junction with cork tape.

  19. #19
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    Chest freezers that I have seen have the evap in the walls of the case. No defrost. Ice builds on the walls and every year or so freezer needs defrosting manually with an icepick not really. Maybe JP is right metal expanding or contracting. This happens when it's running?
    ckartson
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  20. #20
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    Quote Originally Posted by ckartson View Post
    Chest freezers that I have seen have the evap in the walls of the case. No defrost. Ice builds on the walls and every year or so freezer needs defrosting manually with an icepick not really. Maybe JP is right metal expanding or contracting. This happens when it's running?

    Right. Evap in the walls and condensers in the walls.

    No fans, no other moving parts to make noise except for a compressor.

    So, logically, that leads us to a different source for noise.

    I'm unaware of the cap tube noise issue. I can't say that I've ever heard that one. I'm not discounting it, just playing the ignorance card.



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