Sounds like your defrost cycle has failed. Since the unit is running fine for a while before warming up, this can rule out your circulating fan. Your defrost cycle is operated by a defrost timer or your motherboard depending on the age of your refrigerator. When your refrigerator goes into defrost, it turns on an electric heater that melts the ice from your coil in the freezer. When your defrost time or electric heater fails, it allows ice to build up on the coil in your freezer which blocks airflow which causes your cooling compartments to not maintain temperature. Hope this gives you an idea what to look for and a guide on where to start looking
SOURCE: fridge not staying cold
Solo, firt make sure you do not have a build up of frost on the freezer inside panel. This would indicate a defrost problem. Your post states that the cooling problem is intermitant which leads me to believe that the automatic damper is at fault. It could have a build up of ice on it which is causing it to bind, or it could just be going bad. Your model does have the manual defrost timer which could be sticking at times, that is why I suggest checking the back freezer panel for frost buildup. Catriver..post back.
SOURCE: samsung rs2533sw fridge not cooling
it sounds like the refrigerator evap is frozen up causing the compartment to get too hot. shut the unit off and let it thaw out. then take the screws out of the cover to check the stryrofoam on the back side of the cover to see if theres broken spots on it causing the air to bypass the evap causing it to freeze. Theres two screws behind the light cover and two at the very bottom of the cover and two behind the decorative plugs about 1/2 way
SOURCE: SubZero 650 - fridge 36 to 50 deg, vac condensor light flashing
Hi!! you have a seal system problem.A leak in the evaporator..
SOURCE: fridge condensation - freezer thawing
OK now I'm wondering are theses numbers your getting 4 -9 the actual temps of the refrigerator and the freezer? and do they feel this cold and correct to you? I know the refrigerator side shouldn't be below 34 or so and definitely not below 32. If this is correct and the numbers are not settings but temps. (Now if you have a touch pad its electronic. If it has knobs it has a separate defrost and thermostat and are electro-mechanical)
If electronic Your control board and possibly defrost control are out.
It would more likely be the sensors going to the board(s) It will both sensors have the possibility of causing your problem. 1 will control the run of the compressor (and this one could and probably is connected to the inside coil) and 1 will control the air damper tween the refdg and freezer compartments, and may turn on the inside fan operation too.
(this would be my first suspect if these are degrees numbers). Look at the thermostat control see if it is attached to the indoor coil (usually the tube leavign the indoor section. If its not attached its not sensing the coil temp and when goes into defrost wala its not senmsing temps like its designed to do. Look for a broken clip or possible a plastic wire tie that holds this sensor in place.
Please get back to me with what you see - find on this look up.
not Cooling or Fridge not Cooling681 views
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