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Samsung RB195BSBB bottom freezer not cooling

The freezer is not cooling. first we cleaned out the back coils. then found that there was ice buildup showing through the holes in the back of the freezer. so we defrosted that. now it is cold enough to barely keep the food frozen and the temperature on the digital readout on the door says 2 degrees but we put a thermometer in the freezer and it reads 20 degrees. fan is running and compressor is warm. what are we missing?? does the digital control panel have anything to do with it? thank you for your help. carol

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  • Refrigerators Master
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If the ice buildup was by the pipe just going into the evaporator in the freezer compartment and the suction line going into the compressor is warm to the touch and not cold and/or sweating you are low on freon.

If the entire evaporator was buried in ice, the ice covering is also serving as an insulator and preventing internal temps from going down any further. There is a problem with the self defrosting mechanism which is designed to prevent the ice buildup. Could be either the defrost timer, defrost thermostat or the defrost heating element. Hope that it is just the heater element. If you have an electronic module for the rest you are in for unpleasant surprise to replace the unit. Proprietary parts mucho expensive plus labor.

Until you fix it, just let the unit manually defrost (U can use a hair dryer to speed it up) and turn it back on again. It will work fine till the ice builds back up. Keep opening and closing of freezer compartment to minimum to minimize moisture laden air that enters compartment.

Posted on Nov 24, 2013

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  • Refrigerators Master
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When you have an ice problem on the evaporator coils, the problem is usually the defrost timer is bad. On this unit, the timer is located on the main control board. http://www.repairclinic.com/Samsung-Refrigerator-Model-RB195BSBB-ID-1067877-Circuit-Board-Timer-Parts

Posted on Nov 24, 2013

  • Brad Brown Nov 24, 2013

    Freon leaks are not common

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Posted on Jan 02, 2017

aaronbeth
  • 110 Answers

SOURCE: my amana bottom freezer ,

Sounds like the compressor is trying to start. Shut it off overnight. Try re-starting. If it still clicks you'll need a service call.

Posted on Jan 29, 2011

  • 17 Answers

SOURCE: ice build up on coil inside freezer

it can be two things the refrgerator probably has a small refrigerant leak therefore it ices up, or the defrosting heater on the begining of the coil is faulty.

Posted on Feb 10, 2009

  • 1122 Answers

SOURCE: Fan runs constantly and does not keep temp cool enough

forst on the back wall means you have a defrost problem or a air leak aroudh the door gasket-mike

Posted on Mar 16, 2009

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Hi,
First I would check the fan in the freezer. Listen to see if it is running
It moves air to the ref from the freezer
Then check to see if freezer control is turned WARMER, which makes the Ref. colder
Also this might be a common Defrost problem, Ice
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Also check fan undernearh Ref in the rear
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.I'm including my article on Refrigerator Repair for your help and convenience.;
Please click or copy and paste into browser for Article
http://www.fixya.com/support/r5816737-fix_refrigerator_psychologically
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