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Problems with my samsung fridge/freezer SR-L36/SR-L39

Hi

My samsung fridge/freezer keeps switching itself on & off & keeps displaying "RD". Its not working at all.

Do you know what the problem maybe?

Thanking you in advance
Diane


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  • calebkofie20 Jul 13, 2008

    Hello,

    i bought a used Samsung SR-L36 from a shop.
    These fridge freezer has a panel at the top which has 6 buttons and a display on it which are not working!. the fridge also is not cooling at all,but the freezer is cooling just fine i reported this to the shop owner who could'nt do anything. i have not done any diagnostic check as yet. Can you please help me to fix the problem?

  • debbbs May 11, 2010

    Thanks. Our fridge was quickly fixed thanks to your clear and concise explanation.

  • Anonymous Mar 27, 2014

    i have a samsung sr-s2026cvw fridge freezer the freezer fan works now and again there is no ice at all behind the back panel and no fault codes on test

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Is whisker growth like ***** hairs?

Posted on Jun 04, 2008

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General problem for SR-L36 and SR-L39 range and how to fix it.
These fridge freezers have a panel at the top which has 6 buttons and a display on it .
In the course of manufacture and over a period of use a little metallic whisker can grow between the two contacts of any one of these 6 switches.
The effect of this is that the electronics in the unit thinks that you are pressing this button at random or holding the button down continuously.
In our case it was the "super" button that was the one where the whisker was causing the problem. As a result it would switch on to "super" and off again. This would be accompanied by a "beep" indicating that it thought a button had been pressed.
When I dissasembled the unit today to identify the problem initially I found that all the switches were showing some level of whisker growth but the "super" button had complete growth between the two pins.
Removing whisker growth restored normal operation.
The effect of whisker growth on each switch will have different effects on the fridge/freezer operation.
This means that whisker growth on the "power switch" would cause the machine to turn on and off at random or stay permanently on or off.
The "super" button would cause the "super" function to switch on and off as described above.
Likewise the "fre. temp" , Ref. temp" and "eco" switch would also cycle on and off or cause the function to stick and stop any of the other buttons working.
If the whisker is on the "VAC" button it will quite possibly inhibit the fridge from working while the freezer continues to run.
Fixing the problem can be done by someone competent to do this sort of thing.
Turn electricity off and remove plug.
Remove panel at top of appliance by two screws and deforming plastic at top.
Disconnect plugs to Printed Circuit board assembly (that supports switches) making note of how to reconnect.
Remove this assembly from moulding.
(the light switch may be in the way so take this out first)
Remove metal switch board strengthener.
Remove long switch Printed Circuit Board from computer Printed circuit board.
You now have the switch and display assembly printed circuit board.
If you look VERY carefully at the side of the switches ( little square thing with button on top) then between the pins you will see little "silver" whiskers that look like a silver coloured lichen growth.
You need to carefully scratch this away with a sharp knife.
Ideally the switch needs desoldering to ensure it is clear of whiskers underneath as well.
Look at all the other switches to ensure another one is not about to give trouble as well.
Reassemble and hopefully all is now well.

Posted on Jan 19, 2008

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  • AJSComps Oct 05, 2010

    I found my Samsung Cool n Cool fridge freezer randomly beeping and showing "--" on its display. None of the buttons worked too. This quickly deteriorated to it switching itself off and on, this too accompanied by annoying beeping.
    However, after searching the forums, I tried solution 2 and since then it all seems to be working as normal. Thank you for this solution - it seems to have saved me engineer and replacement costs.
    Cheers

  • cali100 Nov 05, 2010

    Thank you so much, I had almost given up. My samsung has got to the point of driving us all mad with switching itself off and on. Had asked about call outs starting at £75 so I was going to visit the local retailer tomorrow. But have followed your directions and fingers crossed the samsung is doing well. Thanks

  • Tamkat Aug 04, 2012

    Thank you so much, had my Samsung cool n Cool for 11 years now, it worked perfectly but the beeping started a few days ago with the freezer temperature cycling automatically . Saw yourr solution and lo and behold, the button was covere covered in the tiny silver whiskers. Followed ur details instructions and fingers crossed its fixed! Many many thanks!

  • Tamkat Aug 04, 2012

    Thank you thank you! It worked and it was exactly as you described. Fridge was working properly and it would have been a shame to throw it away due to a faulty switch! Had it for 11 years now and thanks to you, hopefully a good few more :)

  • Elaina Mantor Jun 04, 2017

    Bought this used fridge yesterday and had the super on and off ever since I plugged it in. Thanks to your description I now have a working fridge for a fortune it seems. Thanks a bunch. With your description even a clumsy lady like me can repair it.

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Thks to you bro! Just repaired mySR-L39.

Posted on Mar 01, 2010

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Thanks for this solution, i was about to throw away my Refrigerator, and the solution 2 in this post came in handy and saved me 500 euros, the whisker on the buttons was causing the problem, thanks again.Post Solution

Posted on Jul 19, 2009

Can you tell the model #

Posted on Nov 07, 2007

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Sorry, I have tried the solution 2, but nothing happen, the problem continue. Somebody can tell me what can I do?.
Thank you in advances

Posted on Mar 10, 2010

  • raromacl Mar 16, 2010

    The problem of the Fridge/freezer SR-L36/39 Electronic is the damper reed switch, which is in the Freezer compartment, near the geared motor. The magnet is bad, the switch it self is bad, you can check it with a multimeter, measuring resistance. This must be infinite without magnet and zero with the magnet on the switch.
    I hope that can help you.
    MB, Chile


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Posted on Jan 02, 2017

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