Pièces concernées : Compressor
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LG Refrigerator Not Cooling: Linear Compressor Failure & Error Codes
If both the fridge and freezer are warm, the fans run but you don’t hear compressor hum, and the display shows Er CO or a similar code, that’s almost always a failed linear compressor.
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Refrigerator Not Cooling? 7 Causes Ranked by Likelihood (With Tests)
The most common cause is dirty condenser coils or a door seal that isn’t sealing, not a failed compressor. Check both before assuming you need a repair technician.