Fridge not cold enough

Test and make sure your freezer section is getting to 0° and -5° often times with this problem I find the freezer section just not getting cold enough due to a condenser needing cleaning or condenser fan not working at the right speed Other items to test make sure refrigerator has 4" inch of clearance behind and possibly side but behind is absolutely a must

Modern consumer refrigerators only have coils in the freezer. In the lower back of the freezer there is a small fan and possible a damper (flap that opens/closes) to push cold air from the freezer to the refrigerator. Given that the freezer is 18 deg, it's probably cold enough to keep the fridge area at typically 34 deg.
So the cooling system (compressor, coils, thermostat) are not working properly to keep the freezer at, typically 0 deg. Possible causes: partial loss of refrigerant gas, icing around evaporator coils (in freezer), compressor failing, dust clogging condenser coils (under fridge), condenser fan clogged or broken (under fridge), thermostat failure.
I'd start with condenser. Remove the slotted trim at the bottom front and look in with a flashlight. Are the coils clean? Pull out the fridge and remove the lower back cover (usually cardboard). You can now see the coils and fan. Clean and blow them out.
If it's icing, it probably means freezer door not closing tight. If auto-defrost not working properly it would probably get worse over the period of a few days so not likely.

Hello,

The first thing I would do is to check the compressor and the condenser fan. Remove the cover on the back of the fridge and check how hot is the compressor? Is the condenser fan turning well? Also check the condenser coil under the fridge, it is very possible it needs cleaning.
If the condenser fan is not working properly then it has to be replaced
If the condenser fan motor is fine and the cleaning did not help then the sealed system is low on Freon and in such case you need a certified technician to fix a leak and to charge the system.

Good luck.

You could do the simple things like clean the dust and stuff around the compressor condenser. Check the condenser motor. Good air flow improves performance and cost nothing to fix. Of course if you are experiencing a defrost problem the air from below gets choke out with ice buildup around the evaporator area. If you have frost on the backside of the freezer section changes is you have a broken defrost heater.

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You should check that the condenser area is clean you can blow it out with a blower or vacuum cleaner, also be sure that the condenser fanmotor is working

maybe its gotten low on freon...

too much ice bulid up will stop enough cold air being blown into the fridge.Try turning it off letting all ice melt then turn it back on again and set thermostat at a lower temp.There may be ice you can't see.

remove the back panel inside the freezer and check for ice build up on the evaporator pipework. if ice build up, this prevents air flow and hence temp rises.
remove ice carefully with a hair dryer and it should work. if problem comes back, you have a problem with the defrost system and get back to me if you want

Check freezer... for Frost build up and if Fan is blowing, Check condenser... To make sure clean, and the fan is blowing (by compressor), Check recirclating Vents in refrigerator... to make sure theres no blockage, CONTROLS ...should be in the middle setting, YOU CAN TRY turning FREEZER CONTROL To A WARMER FREEZER SETTING Allowing.. MORE AIR.. to refrigertor side

check freezer for frost build up on back wall and if fan blowing, check condenser make sure clean, and fan blowing, check vents in refrig. make sure no blockage, controls should be in the middle setting,