Usually, this is caused by a stuck or bad evaporator fan. There are several other possible causes. The first thing that comes to mind is low freon.
SOURCE: Sub-Zero temperture fluctuation
Just posted this elsewhere and it sounds like the same problem:
As you probably know, the recommended temperature range is between 35-45 F so if your control will not allow you to set this, the sensor or associated regulator has failed.
This seems to be an issue with Sub-Zero.
SOURCE: The Frig Side temp. is 51 and freezer side temp.
I need you to check a couple things for me before we go to far. Is frost building up in freezer back panel? Are all fans inside and outside of the refrigerator. That refrigerator has a control board and we may need to have a look at it. The control board is AP4139120
But I need to hear from you first before going further. Thanks, Sea Breeze
SOURCE: My GE Profile bottom freezer and frig's temps are also up..help
has a FF error shown up on your display. If so that is your freezer fan, and if not it still might be the FF motor is running to slow.
SOURCE: GE Profile Artica freezer temp continues to rise
try replacing the thermostat and the defrost timer
SOURCE: Freezer not maintaining temp
sounds like the evap thermistor took a ****. in the back of your freezer you have cover that sits over the refrigerator coil. under this coil sits a heater element that is turned on and off to defrost the refrigerator coil based on how long you've had the door open. the evap thermistor reads the temp inside the freezer.. close to the refrigerator coil.. and tells the heater element to turn off after it reaches a set temp where it can be sure that the ice has melted off the refrigeration coil which is about 60 deg. if your thermistor has taken a ****.. your heater element will only shut off based on the "fail safe" time (which is based on how long you've had your fridge door open) leading to a hot freezer.
i suspect your at home more on the weekend.. inside the fridge.. getting cold beers.. and that is why it ends up hotter on the weekend.
Cheers!
not Cooling or Fridge not Cooling73 views
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