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Error Er RF means that your refrigerator fan motor is not running properly. Usually this is just ice built up hitting the fan blade which you can thaw out and it'll work like normal. You'll need to pull everything out of the refrigerator section and remove the center white plastic cover/vent panel. Behind here is a fan motor. Below the fan will likely be ice. Use a hair dryer to thaw all the ice out and you should be good to go again. Just unplug the refrigerator while working on it and plug it back in when you're done and that should reset the error. If for some reason there is no ice, hitting the fan, then the fan motor would just need to be replaced. Below is a link to that part.
CLICK HERE for fan motor
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