We have had this refrigerator of two months and almost immediately we noticed that the temperature noted on the front display did not match what was really on the inside. We bought refrigerator thermometers and have gotten in the daily habit of unplugging and plugging in the refrigerator 4 or 5 times a day so that the outside digital display would register the correct temp signally the compressor to kick in. Sometimes the difference in temp is as much as 20 degrees! Of course I called BestBuy for repair and they sent a man out who replaced the PCB main circuit card, DA4a-00128D. However, that did not fix the problem. Samsung said they could not find a repairperson to take our repair call since we live in a rural area and have basically given up and told us to exchange unit, which means a 2 hr drive back to the big city! However, I like the style/color of this unit which they don't make any more. Is there hope for this electronic problem or is this model doomed to be a headache?? I think that it is either in the temperature display or the sensor.
When ice maker is turned on the freezer temperature decreases to -12 deg. while the front display shows +8 deg. Ice cream is rock solid! When ice maker is turned off the freezer temp control works fine. At our request, Bestbuy replaced the refrigrator but the new one had the same problem!
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If the inside of the unit measures at the same displayed temp, then you have a coolant issue = contact professional immediately. If the temp does not match the display temp, you have a control board issue = still contact a professional.
The temperature controls are located at the top front of the refrigerator or freezer compartments. The recommended setting should be correct for normal household refrigerator use. The controls are correctly set when milk or juice is as cold as you like and when ice cream is firm. Wait 24 hours for your refrigerator to completely cool before adding food. If you add food before the refrigerator has completely cooled, your food may spoil. NOTE: Adjusting the refrigerator and freezer temperature controls to a colder-than-recommended setting will not cool the compartments any faster. If the temperature is too warm or too cold in the refrigerator or freezer, first check the air vents to be sure they are not blocked before adjusting the controls. To turn Off/On: Style 1 Press the freezer down arrow touch pad until a dash (-) appears in both the refrigerator and freezer displays. Neither compartment will cool. Style 2 Turn the freezer control to the word Off. Neither compartment will cool when the freezer is set to Off.
Energy Saver option (on some models) The Energy Saver option turns off the heater which helps to reduce moisture on the door hinge seal. The refrigerator uses more energy when Energy Saver is off. Press the control to On to save energy when the environment is less humid. Press the control to Off when the environment is warm and more humid, or if you notice moisture on the door hinge seal.
Adjusting controls If you need to adjust the temperature in either the refrigerator or freezer compartment. NOTES: For Style 1 control, press the up and down arrow touch pads; for Style 2 controls, turn the dial to adjust the temperature. Except when starting the refrigerator, do not adjust either control more than one setting at a time. Wait 24 hours between adjustments for the temperature to stabilize.
It is going thru a diagnostic process, But this is only to happen when you either open the circuit board and press the test button, or use the front display keypads. I would have the circuit board checked
Push in the red "Defrost Button" located in the center of the temperature control dial. Defrost cycle will start immediately. NOTE: Turning the temperature control dial to the OFF position is not required. Defrosting usually takes a few hours. When defrosting is complete, the red "Defrost Button" will release automatically. Then the refrigerator will resume normal operation while moving towards the set temperature. NOTE: After defrosting, allow a few hours to reach the set temperature before making any further adjustments.
Jackie, the only other thing that could be wrong is the thermistor sending the wrong info to the board. Why don't you have the technician come back out and ohm out the thermistor values, they could be off. I have seen some models where the thermistor is pushed too far into the insulation giving a false reading. Catriver..post back