GE Side by Side refrigerator/freezer Evaporator keeps freezing up
The evaporator coil (the one in the freezer) has frozen up twice in the past week. We do not have kids in the house, so I am certain the door is not open too much. The door seal is in very good shape, however I cleaned it and lubricated it per instruction manual any way. Unit is only about 2 1/2 years old, it is not digital but does have an electronic control board (as most things do these days). Where should I look first? I am average in electrical skills for a homeowner. I have already cleaned the condensor coil, freezer thawed out about a month before the evaporator problem started, it was dirty but everything was good after I cleaned it. Thanks for any help, can not afford to buy a new one, and do not think that is necessary at this time but I could be wrong.
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your evaporator coil is freezing over due to either the defrost heater or thermostat on the evaporator coil are not working,you can check both of these components with an ohmmeter but the thermostat needs to be below freezing to test or it will show bad even if its good,theyre both behind the rear panel inside the freezer,if the evaporator is iced over you cannot get cold air to move
Make sure drain hose is not clogged up. Check evaporator fan, (small fan in freezer compartment). it should come on after door is open a couple of minutes. Feel air vents in fridge side for a stream of cold air, if none or too weak, remove back cover (where fan is) and check for frozen evaporator coil. If evaporator is frozen, air can't circulate thru unit, keeping fridge side from cooling and freezer side below freezing point.
If this is the case, unplugg unit from power outlet, and use a heat gun or hair dryer to melt ice, make sure all vents are clear.
Once the evaporator coil is free of ice, dry freezer, replace back cover and plug unit back on. Check temp. settings, should be about 1/3 of the dial range. If necessary, make additional adjustments every 24 hrs.
your evaporator coil in the rear area behind the freezer back panel is frozen over with ice and the coil can no longer deliver cold air due to ice blocking the air flow from the evaporator fan,remove this rear panel,defrost it with a hair dryer,check the defrost heating coil for continuity,they go bad regularly,if not the heater coil under the evaporator coil,it may be the defrost timer in the refrigerator section of the unit that powers the defrost coil that needs replacement
Most likely the defrost heater is burned out below the evaporator coil. It will be easy to spot because on the profile the defrost heater has a glass tube covering the element inside. You will need to defrost first before you will be able to see anything. If you replace the defrost heater also replace the defrost thermostat, Thanks, Sea breeze
You will need to unplug refrigerator and remove the rear panel in back of the freezer. Look to see if the evaporator coils are frozen over and if yes defrost with a hair dryer. Look at the bottom of the evaporator and you will see a defrost heater. Some have a glass tube on outside. Look to see if the heater is burned out. Then let me know what you find, Thanks, Sea breeze
is there good airflow around unit (should be away from wall about 2 or 3 inches on all sides) you say you cleaned under so about only thing left that can cause ice is low freon or defrost timer going out slowly
This video I made how to change evaporator on Thermador refrigerator, which is just copy of of Build in Kitchenaid. Problem was that it was running, but ice cream never got frozen. I checked pressures, was low on freon. I checked evaporator coils - found out that defrost heater got deformed and was touching evaporator coils - so it burned holes, where freon started to leak.( I think it designed not best way). Defrost heater on this fridges way to close to evaporator coils. Check this video to get an idea what Im talking about. I hope That helps u to understand why this repair is so expensive and what causing it.
You might want to check and make sure the interior fan is working above the evaporator coils. If the fan isn't working the air won't circulate over the evaporator and it will frost over very quickly, and also cold air won't be pushed into the fridge side.
The fan might turn off when the door is open, hold the door switch shut while you check it.
There is a pc board that senses how long the condensor motor has been running and when it gets to a certain amount of time it turns off the refridgerator condensor and turns on the heater coil that melts any ice formed on the condensor coils untill a temperature sensor says enough then it allows the condensor motor to run again. The problem is definitely in this board which is a common problem with Whirlpool and related brands. This board is about 50 to 75 dollars and can be easily replaced.