I have the refrig where the freezer is on the bottom, the bottom is working fine but the top is not getting cool.
a common problem with bottom mount freezers is the door gets left open,open the freezer door and look at the ceiling,is there ice on it and is there also frozen water droplets on the packages,if so the door was left open,you can shut the fridge down or unplug it,remove the food from the freezer,get a hair dryer and blow the hot air onto the back inside wall of the freezer mostly blow it into the open slots in the back wall,it will melt the ice that's in the air ducts,you'll see water dripping down,when it stops you can start the fridge and stick your hand in the top middle of the fridge section to feel if cold air is blowing in,all that it does is there's a fan in the freezer,all it does is blow the cold air from the freezer into the fridge section,if the door was open the warm air gets in and mixes with the cold air and it freezes up the air ducts and blocking them.if this isn't the problem open the freezer door,you should hear the fan blowing,if not you could have a bad fan motor,also put your hand on the back inside wall of the freezer,if there's like frost or snow on the back wall you have a defrost problem,a bad defrost heater,defrost thermostat or timer or board depending what the model is,but most of the time the problem is behind the freezer inside wall,or depending on your model there could be a damper in the fridge section,if it's stuck closed then the cold air won't blow into the fridge section.so first open the freezer door,listen for the fan,if it's blowing,check for frozen water droplets and ice up on the ceiling near the light and on the food packages,if you see this the door was left open,if the fan isn't blowing most likely it could be bad,then check the back inside wall for frost or snow on it,if there's frost on the back wall you have a defrost problem,most likely it will be a bad defrost thermostat or heater,you'll need to check them with a maeter,hope this helps,next time send the model number so i can look up your machine.
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