Most common problem is a blocked drain. It is the drain that takes away the melt water when the automatic defrost kicks in. Unfortunately the drain is not easy to get to. It is directly beneath the evaporator which is the aluminium thing with fins behind the rear panel of the freezer section. You have to remove the rear panel of the freezer so you can check the drain. It often gets a little bit of plastic or some food in it and blocks up.
If you cannot get into the back of the freezer you can find the pipe at the rear of the refrigerator. It will run into the plastic dish that sits on top of the compressor, or into a tray with coils of piping in it beside the compressor. You can get something long and flexible, such as one of those flexible "stretch wire" curtain rods, and push it up the pipe all the way and try to clear the blockage. Unfortunately not as effective as checking from the top and the pipe may re-block.
Posted on Jan 30, 2023
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